NASA’s New Horizons Spacecraft Crosses Neptune Orbit En Route to Historic Pluto Encounter

NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major…

NASA TV to Air Events That Highlight Pluto-Bound Spacecraft

Media and the public are invited to attend two events Monday, Aug. 25 from 1-3 p.m.…

Stardust Team Reports Discovery of First Potential Interstellar Space Particles

Seven rare, microscopic interstellar dust particles that date to the beginnings of the solar system are…

NASA’s 3-D Study of Comets Reveals Chemical Factory at Work

Scientists have created detailed 3-D maps of the atmospheres surrounding comets, mapping their spread at the…

NASA Announces Mars 2020 Rover Payload to Explore the Red Planet as Never Before

The NASA Mars Rover 2020 will carry instruments to conduct unprecedented science and exploration technology investigations…

NASA’s Long-Lived Mars Opportunity Rover Sets Off-World Driving Record

NASA's Opportunity Mars rover, which landed on the Red Planet in 2004, now holds the off-Earth…

NASA’s Mars Spacecraft Maneuvers to Prepare for Close Comet Flyby

Ocean on Saturn Moon Could be as Salty as the Dead Sea

Scientists analyzing data from NASA’s Cassini mission have firm evidence the ocean inside Saturn's largest moon,…

NASA Announces Latest Progress, Upcoming Milestones in Hunt for Asteroids

NASA is on the hunt for an asteroid to capture with a robotic spacecraft, redirect to…

NASA Hubble to Begin Search Beyond Pluto for a New Horizons Mission Target

After careful consideration and analysis, the Hubble Space Telescope Time Allocation Committee has recommended using Hubble…