Solar System Exploration
Solar System News
Dawn spacecraft data answers two big questions: Is there liquid inside Ceres, and how long ago was it geologically active?
Mystery Solved: Bright Areas on Ceres Come From Salty Water Below
For a decade NASA scientists have been aiming laser beams at a reflector on a spacecraft orbiting the Moon. Finally, they've received a signal back.
Laser Beams Reflected Between Earth and Moon Boost Science
In 2009, NASA launched a sounding rocket to measure helium in the Sun's atmosphere.The results were recently published.
Sounding Rocket Finds Helium Structures in Sun's Atmosphere
The Space Launch System (SLS) rocket core stage for the Artemis I lunar mission has successfully completed several critical tests.
Artemis I Rocket Moves Closer to Hot Fire Test
Barred spiral galaxy NGC 4907 shows its starry face from 270 million light-years away in this new Hubble image.
Hubble Sees Near and Far
The Earth has one less asteroid to worry about thanks to the research of an international team of scientists at the Arecibo Observatory in Puerto Rico.
Arecibo Observatory Returns from Tropical Storm Isaias Lockdown to Track Asteroid for NASA
NASA’s first asteroid sampling spacecraft is making final preparations to grab a sample from asteroid Bennu.
OSIRIS-REx is One Rehearsal Away from Touching Asteroid Bennu
Vast areas of the Martian night sky pulse in ultraviolet light, according to images from NASA’s MAVEN spacecraft.
MAVEN Observes Martian Night Sky Pulsing in Ultraviolet Light
This method simulates how scientists will search for evidence of life beyond Earth on exoplanets.
Hubble Uses Moon as 'Mirror' to Study Earth's Atmosphere
This photograph shows a starry sky above the Earth's atmospheric glow as the International Space Station orbits our home world.
Starry Sky Above the Earth's Atmospheric Glow
NASA astronaut Chris Cassidy conducted experiments then switched roles to high-flying plumber.
Space Station Crew Juggles Research Duties and Orbital Plumbing
NASA is examining its use of unofficial terminology for cosmic objects as part of its commitment to diversity, equity, and inclusion.
NASA to Reexamine Nicknames for Cosmic Objects