NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, ...

A Mars spacecraft launched from Cape Canaveral, Florida, has been AWOL. But NASA hasn't given up hope of restoring contact ...

NASA's James Webb Space Telescope has zoomed into the Helix Nebula to give an up-close view of the possible eventual fate of ...

MAVEN was built to last in orbit until 2030 — that's not looking likely anymore.

NASA has launched the Mars to Table Challenge, seeking Earth-independent food systems capable of sustaining astronauts on ...

From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.