In 1976, a NASA scientist spotted something that looked impossible — a massive human-like face on the surface of Mars. The image sparked global attention, and NASA quickly claimed it was just lighting ...

NASA's Artemis II mission will transport four astronauts around the moon, bringing the agency one step closer to sending the ...

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

Researchers used satellite data to calculate and simulate the sea level in a canyon, getting a glimpse of a huge ocean.

Nearly 14 years ago, NASA’s Curiosity rover landed on Mars for a mission to explore the red planet and discover if it had an ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

Williams leaves NASA with a resume few astronauts can match. Over the course of her missions, she logged 608 days in space, the second-highest cumulative total for any NASA astronaut. She also tied ...

This mission will send four astronauts on a 10-day round trip to the Moon, where they will be testing spacecraft systems, ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...