
Welcome to the NASA Space Science Data Coordinated Archive, NASA's archive for space science mission data.
Observations from HST and the Kepler space telescope have provided evidence for the first moon discovered orbiting a planet outside of our solar system. The discovery was announced on 03&nsbp;October 2018. The moon may be the size of Neptune, orbiting a planet several times the mass of Jupiter with the designation Kepler-1625b. More...
The Voyager 2 became the second spacecraft (the first was Voyager 1) to escape the heliosphere and enter insterstellar space. More...
The Parker Solar Probe made its first perihelion pass on 05 November 2018, coming within 25 million km of the Sun. The probe will orbit the Sun over the course of the next seven years, ultimately coming closer than 7 million km from the Sun's surface.
Twenty new moons of Saturn have been discovered, bringing the total number of Saturnian satellites to 82, topping Jupiter's 79 moons. More...
The ISRO (India) Chandrayaan 2 Vikram lander descended towards the lunar surface for a planned landing on 06 September, but contact was lost at an altitude of 2.1 km.
The JAXA Hayabusa2 mission made its second sampling run, touching down on asteroid Ryugu and firing a projectile into the surface on 11 July.