Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

I was just one night off from the best view we will get of Mars. The perfect night had been overcast and the difference ...

"The payloads will experience at least two minutes of lunar gravity forces, a first for New Shepard and made possible in part ...

A private U.S. spacecraft has captured stunning images of Earth one week into its flight. Still circling Earth, Firefly ...

The exoplanet Enaiposha, or GJ 1214 b, is a hazy world orbiting a red dwarf star about 47 light-years from Earth. Previously likened to a mini-Neptune, in-depth observations obtained using JWST now ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Meeting of the American Astronomical Society, two teams of astronomers—centered at Penn State and MIT—independently announced new discoveries about an extreme form of planetary destruction: apparently ...

Only after that could rocky planets form, and by extension, habitable planets. That’s been axiomatic in astronomy.

The president’s Inaugural Address linked landing on the Red Planet with Manifest Destiny, but left many of the specifics ...

Do habitable exoplanets exist that possess life as we know it? Scientists have pondered this longstanding question ever since ...