
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 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.
The NASA Mars 2020 Ingenuity helicopter's first flight was successful on Monday, April 19, at 07:34 UT (3:34 a.m. EDT). The rotorcraft reached an altitude of 3 meters and hovered for 30 seconds. See pictures and video of the flight. For more detail see the NASA Press Release.