Sci.News: Breaking Science News https://www.sci.news/ Science news from Sci.News: astronomy, archaeology, paleontology, health, physics, space exploration and other topics. Wed, 26 Nov 2025 03:06:10 +0000 en-US hourly 1 https://wordpress.org/?v=6.0.11 150-Million-Year-Old Footprints of Limping Sauropod Dinosaur Found in Colorado https://www.sci.news/paleontology/limping-sauropod-footprints-14380.html https://www.sci.news/paleontology/limping-sauropod-footprints-14380.html#respond Wed, 26 Nov 2025 03:06:10 +0000 https://www.sci.news/?p=107423 Aerial view of the West Gold Hill Dinosaur Tracksite in Colorado, the United States. Image credit: USDA Forest Service.

Paleontologists have analyzed an exceptionally long sauropod trackway at the West Gold Hill Dinosaur Tracksite in Colorado, the United States. Their results show that the giant dinosaur which made it may have been limping.

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Almost Two-Thirds of Breed Dogs Have Wolf Ancestry, Study Shows https://www.sci.news/genetics/dog-wolf-ancestry-14379.html https://www.sci.news/genetics/dog-wolf-ancestry-14379.html#respond Wed, 26 Nov 2025 02:04:54 +0000 https://www.sci.news/?p=107421 German Shepherd puppy. Image credit: Marilyn Peddle / CC BY 2.0.

Although dogs (Canis lupus familiaris) and wolves (Canis lupus) can interbreed and produce fertile offspring, hybridization between the two is far more rare than domestic and wild populations of other species.

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Moss Can Survive Long-Term Exposure to Elements of Space, New Experiments Show https://www.sci.news/biology/space-moss-14378.html https://www.sci.news/biology/space-moss-14378.html#respond Wed, 26 Nov 2025 00:12:21 +0000 https://www.sci.news/?p=107415 Physcomitrium patens spores survive simulated space conditions with high resilience. Image credit: Maeng et al., doi: 10.1016/j.isci.2025.113827.

Researchers have tested protenemata, brood cells and sporophytes of Physcomitrium patens under simulated space environments, identifying spores as the most resilient, and subsequently exposed them to the space environment outside the International Space Station.

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Birds May Possess Fundamental Forms of Conscious Perception: Study https://www.sci.news/othersciences/neuroscience/conscious-birds-14377.html https://www.sci.news/othersciences/neuroscience/conscious-birds-14377.html#respond Tue, 25 Nov 2025 17:57:56 +0000 https://www.sci.news/?p=107411 Maldarelli & Güntürkün show that there is growing evidence that (i) birds have sensory and self-awareness, and (ii) they also have the neural architecture that may be necessary for this. Image credit: Kutte.

Ruhr University Bochum researchers Gianmarco Maldarelli and Onur Güntürkün highlight three central areas in which birds show remarkable parallels to conscious experience in mammals: sensory consciousness, neurobiological foundations, and accounts of self-consciousness.

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Ancient Humans Introduced Wolves to Remote Baltic Sea Island 5,000 Years Ago https://www.sci.news/archaeology/stora-forvar-wolves-14376.html https://www.sci.news/archaeology/stora-forvar-wolves-14376.html#respond Tue, 25 Nov 2025 16:22:54 +0000 https://www.sci.news/?p=107408 Canadian Eskimo dogs. Illustration by John James Audubon and John Bachman (1845-1848).

Wolves, the wild ancestor of dogs, are the only large carnivores that have undergone domestication by humans.

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Trans-Neptunian Object Quaoar Has Two Moons, New Study Suggests https://www.sci.news/astronomy/quaoar-moons-14375.html https://www.sci.news/astronomy/quaoar-moons-14375.html#respond Mon, 24 Nov 2025 23:44:33 +0000 https://www.sci.news/?p=107397 An artist’s impression of Quaoar and its two rings. Quaoar’s moon Weywot is shown on the left. Image credit: ESA / Sci.News.

The newly-discovered moon has an estimated diameter of 38 km (23.6 miles) and a V magnitude of 28, likely making it the faintest satellite ever found around a trans-Neptunian object.

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There Are Three Types of Phenomenal Consciousness, Researchers Say https://www.sci.news/othersciences/neuroscience/three-types-phenomenal-consciousness-14374.html https://www.sci.news/othersciences/neuroscience/three-types-phenomenal-consciousness-14374.html#respond Mon, 24 Nov 2025 23:09:34 +0000 https://www.sci.news/?p=107395 Scholars argue that consciousness is a fundamental quality of the Universe. Image credit: NASA / ESA / JPL-Caltech / STScI / Sci-News.com.

Ruhr-Universität Bochum’s Dr. Albert Newen and San Francisco State University’s Dr. Carlos Montemayor propose to distinguish three core phenomena of phenomenal consciousness: basic arousal, general alertness and reflexive (self-)consciousness.

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Three Heliophysics Spacecraft Observe Interstellar Comet 3I/ATLAS https://www.sci.news/astronomy/stereo-soho-punch-interstellar-comet-3i-atlas-14373.html https://www.sci.news/astronomy/stereo-soho-punch-interstellar-comet-3i-atlas-14373.html#respond Mon, 24 Nov 2025 21:49:41 +0000 https://www.sci.news/?p=107389 Traveling through our Solar System at a staggering 209,000 km (130,000 miles) per hour, 3I/ATLAS was made visible by using a series of colorized stacked images from September 11-25, 2025, using the Heliocentric Imager-1 instrument, a visible-light imager on NASA’s STEREO-A spacecraft. Image credit: NASA / Lowell Observatory / Qicheng Zhang.

NASA’s STEREO (Solar Terrestrial Relations Observatory), the NASA/ESA SOHO (Solar and Heliospheric Observatory), and NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) missions have the unique ability to observe areas of the sky near the Sun, which allowed them to track 3I/ATLAS as it passed behind our Sun as seen from Earth.

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Geoscientists Find Explanation for Mysterious Structures within Earth’s Mantle https://www.sci.news/othersciences/geoscience/earth-basal-magma-ocean-14372.html https://www.sci.news/othersciences/geoscience/earth-basal-magma-ocean-14372.html#respond Mon, 24 Nov 2025 18:31:18 +0000 https://www.sci.news/?p=107385 The illustration shows a cutaway revealing the interior of early Earth with a hot, melted layer above the boundary between the core and mantle. Image credit: Yoshinori Miyazaki / Rutgers University.

Two enormous structures buried deep inside Earth may retain geochemical signatures distinct from the surrounding mantle.

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New Hubble Image Brings Gigantic Star-Forming Cloud into Focus https://www.sci.news/astronomy/hubble-image-star-forming-cloud-n159-14371.html https://www.sci.news/astronomy/hubble-image-star-forming-cloud-n159-14371.html#comments Mon, 24 Nov 2025 12:17:53 +0000 https://www.sci.news/?p=107379 This Hubble image shows part of the star-forming cloud N159. Image credit: NASA / ESA / Hubble.

Astronomers using the NASA/ESA Hubble Space Telescope have released a beautiful new image of part of N159, a massive star-forming cloud located about 160,000 light-years away in the constellation of Dorado.

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Moon-Forming Protoplanet Theia Originated from Inner Solar System, New Research Suggests https://www.sci.news/space/moon-forming-protoplanet-theia-inner-solar-system-14370.html https://www.sci.news/space/moon-forming-protoplanet-theia-inner-solar-system-14370.html#respond Fri, 21 Nov 2025 21:24:34 +0000 https://www.sci.news/?p=107371 An artist’s impression of the collision between the proto-Earth and Theia. Image credit: MPS / Mark A. Garlick.

The Moon formed from a giant impact of the proto-Earth with the ancient protoplanet Theia.

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Webb Spots Four Distinct Dust Shells around Two Wolf-Rayet Stars https://www.sci.news/astronomy/webb-four-distinct-dust-shells-two-wolf-rayet-stars-14369.html https://www.sci.news/astronomy/webb-four-distinct-dust-shells-two-wolf-rayet-stars-14369.html#respond Fri, 21 Nov 2025 00:27:12 +0000 https://www.sci.news/?p=107359 Webb’s mid-infrared image shows four coiled shells of dust around a pair of Wolf-Rayet stars known as Apep. Image credit: NASA / ESA / CSA / STScI / Yinuo Han, Caltech / Ryan White, Macquarie University / Alyssa Pagan, STScI.

Using the NASA/ESA/CSA James Webb Space Telescope with data from ESO’s Very Large Telescope (VLT), two team of astronomers have captured a mid-infrared image of a system of four serpentine spirals of dust around two aging Wolf-Rayet stars in a system known as Apep (2XMM J160050.7-514245).

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Invasive Polynesian Rats Played Key Role in Deforestation of Easter Island, Study Suggests https://www.sci.news/archaeology/invasive-polynesian-rats-key-role-deforestation-easter-island-14368.html https://www.sci.news/archaeology/invasive-polynesian-rats-key-role-deforestation-easter-island-14368.html#respond Thu, 20 Nov 2025 23:30:15 +0000 https://www.sci.news/?p=107357 New research indicates the importance of sweet potato to the Easter Island diet prior to European contact in 1722. Image credit: Bjørn Christian Tørrissen / CC BY-SA 3.0.

The ecological transformation of Easter Island (Rapa Nui) has become among the most paradigmatic yet contested case studies in environmental archaeology.

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MAVEN Sends Back Ultraviolet Images of 3I/ATLAS https://www.sci.news/astronomy/maven-ultraviolet-images-3i-atlas-14367.html https://www.sci.news/astronomy/maven-ultraviolet-images-3i-atlas-14367.html#respond Thu, 20 Nov 2025 22:23:29 +0000 https://www.sci.news/?p=107353 This ultraviolet image shows the coma of 3I/ATLAS as seen on October 9, 2025, by NASA’s MAVEN spacecraft using its IUVS camera. The brightest pixel at center indicates where the comet is. The surrounding bright pixels show where hydrogen atoms were detected coming from the comet. Image credit: NASA / Goddard / LASP / CU Boulder.

The new ultraviolet (UV) images from the Imaging Ultraviolet Spectrograph (IUVS) camera aboard NASA’s MAVEN (Mars Atmosphere and Volatile EvolutioN) orbiter are unique among all observations of the interstellar comet 3I/ATLAS in determining its chemical makeup and how much water vapor is released as the Sun warms the comet.

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Mars Reconnaissance Orbiter Snaps Close-Ups of Interstellar Comet 3I/ATLAS https://www.sci.news/astronomy/mars-reconnaissance-orbiter-hirise-images-interstellar-comet-3i-atlas-14366.html https://www.sci.news/astronomy/mars-reconnaissance-orbiter-hirise-images-interstellar-comet-3i-atlas-14366.html#comments Thu, 20 Nov 2025 00:04:24 +0000 https://www.sci.news/?p=107341 This image of 3I/ATLAS was captured by the HiRISE camera onboard NASA’s Mars Reconnaissance Orbiter on October 2, 2025. Image credit: Image credit: NASA / JPL-Caltech / University of Arizona.

The new images from the High Resolution Imaging Science Experiment camera onboard NASA’s Mars Reconnaissance Orbiter will allow astronomers to better estimate the size of 3I/ATLAS, the third known interstellar object to pass through the Solar System.

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Kissing Likely Evolved in Common Ancestor of Humans and Large Apes 21 Million Years Ago https://www.sci.news/othersciences/anthropology/kissing-evolution-14365.html https://www.sci.news/othersciences/anthropology/kissing-evolution-14365.html#respond Wed, 19 Nov 2025 22:13:36 +0000 https://www.sci.news/?p=107333 Neanderthals. Image credit: Gemini AI.

Kissing occurs in most living large apes, and likely also occurred in Neanderthals, first evolving in the ancestor to this group 21.5-16.9 million years ago, according to new research led by University of Oxford scientists.

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TGO Provides More Accurate Information about Path of 3I/ATLAS through Solar System https://www.sci.news/astronomy/tgo-3i-atlas-path-solar-system-14364.html https://www.sci.news/astronomy/tgo-3i-atlas-path-solar-system-14364.html#respond Wed, 19 Nov 2025 16:33:31 +0000 https://www.sci.news/?p=107329 This image of the interstellar comet 3I/ATLAS was captured on October 3, 2025 by the CaSSIS instrument aboard ESA’s Trace Gas Orbiter. Image credit: ESA / TGO / CaSSIS.

Thanks to the data collected by the Colour and Stereo Surface Imaging System (CaSSIS) onboard ESA’s Trace Gas Orbiter (TGO) spacecraft orbiting Mars, scientists have improved the predicted location of the interstellar comet 3I/ATLAS by a factor of 10.

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Black Cumin Has Anti-Obesity Benefits, New Study Shows https://www.sci.news/medicine/black-cumin-anti-obesity-benefits-14363.html https://www.sci.news/medicine/black-cumin-anti-obesity-benefits-14363.html#respond Wed, 19 Nov 2025 16:15:40 +0000 https://www.sci.news/?p=107326 Ahmed et al. suggest that black cumin seed (Nigella sativa) may serve as a promising natural agent in obesity-related conditions. Image credit: Andre Holz / CC BY-SA 3.0.

Nigella sativa, or black cumin, is a flowering plant from the Ranunculaceae family long used in traditional medicine across South Asia, North Africa, and the Mediterranean.

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Researchers Find Evidence of Ancient Microbial Life in 3.51 Billion-Year-Old Rocks https://www.sci.news/paleontology/paleoarchean-microbial-life-14362.html https://www.sci.news/paleontology/paleoarchean-microbial-life-14362.html#respond Wed, 19 Nov 2025 15:33:31 +0000 https://www.sci.news/?p=107320 An AI impression of the Early Earth. Image credit: Gemini AI.

Teasing out biochemical information from ancient organic-rich sediments, notably the timing of the emergence of photosynthesis relative to the inferred oxygenation of Earth’s atmosphere, remains a challenging opportunity.

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Astrophotographer Captures Stunning New Image of Interstellar Comet 3I/ATLAS https://www.sci.news/astronomy/satoru-murata-image-interstellar-comet-3i-atlas-14361.html https://www.sci.news/astronomy/satoru-murata-image-interstellar-comet-3i-atlas-14361.html#respond Tue, 18 Nov 2025 09:23:19 +0000 https://www.sci.news/?p=107306 This image of the interstellar comet 3I/ATLAS was captured with the Celestron EdgeHD 800 telescope on November 16, 2025. Image credit: Satoru Murata.

A member of the ICQ Comet Observations group has released a new image of 3I/ATLAS, the third object and the second comet from outside the Solar System confirmed.

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