Earth has rarely looked as remarkable as it does in this stunning shot (above) captured by NASA astronaut Don Pettit from the International Space Station (ISS).

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

So does Cedar Barg, a climate network manager for the Wild Center, which is in upstate New York and has been running youth climate summits around the world since 2009. Barg worked with Johnson, Lyra ...

NASA confirms the existence of TOI‑1846 b, a nearby hot super-Earth that could contain water, initially observed by NASA's ...

Australian scientists detected a signal from a satellite launched over 60 years ago. The only problem? It's been deactivated for years.

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

NASA's Mariner 4 captured the first-ever close-up image of Mars on July 14, 1965. While waiting for the data to be processed ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing ...

NASA is gearing up for a bold new era of lunar exploration with three advanced instruments set to investigate the Moon’s ...

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

An artist's concept design of NASA's Lunar Terrain Vehicle.Credit: NASA NASA has selected three instruments to travel to the ...