NASA’s Curiosity rover has photographed a knobbly Martian rock that looks strikingly like a piece of ocean coral, a reminder ...

NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.

“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 ...

NASA’s Curiosity rover has photographed a bizarre, coral-shaped rock on Mars, believed to have formed billions of years ago.

The Artemis 2 astronauts who will become the first humans in more than 40 years to fly on a lunar mission are in quarantine.

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

As NASA gears up to send four astronauts on a crewed flight around the moon in the imminent Artemis II mission, Axiom Space ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

On Jan. 25, 2004, NASA’s Opportunity rover landed on Mars and sent its first pictures of the planet to Earth; originally planned as a 90-day mission, the rover remained operational for over 15 years, ...

To get a better picture of what such a lush ocean world could’ve looked like, an international team of researchers used ...

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