Astronomers are preparing to study a dwarf planet that last came near Earth 11,000 years ago. Sedna is moving closer to the Sun, and this has intrigued experts who are eager to learn about the distant ...

For years, scientists have been looking for signs of liquid water just beneath the surface of Mars. New research recently published in Nature Communications may have dried up one of the most ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

"One of the most successful and enduring feats of interplanetary exploration, NASA's Opportunity rover mission is at an end after almost 15 years exploring the surface of Mars and helping lay the ...

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

A new study using high-resolution images from NASA's Mars Reconnaissance Orbiter (MRO) has revealed striking surface patterns on Mars that resemble the effects of paint dripping down a wall—a ...

The strange square was first noticed in images taken by NASA’s Mars Global Surveyor (MGS), an orbiter that conducted extensive mapping of Mars between 1997 and 2006.

NASA's MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft, in orbit around Mars since 2014, spied these auroras between February 3-5, February 7-10, and February 15-16.

An orbiter captured signs of clustered dark dots on Mars' Inca City that resemble spiders, which formed due to seasonal eruptions of carbon dioxide gas.