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

Learn more about the hunt for bacteria on Mars and how astronauts will need to make sure they aren't bringing any dormant ...

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

Here's how the first crewed lunar flyby in 50 years builds on Artemis 1.

Even though the Red Planet's atmosphere is thin, wind is still one of Mars' most relentless sculptors.

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Arcadia Planitia does not draw attention in the way Mars’s great canyons or volcanoes do. It sits quietly across the northern ...

A groundbreaking study has unveiled Antarctica's hidden, rugged topography beneath its ice sheet, revealing mountains, ...

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

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago ...

However, the research from a Strathclyde University academic found that ice located beneath the surface of Mars would provide ...

NASA is moving into a new phase of space exploration, with major progress across human spaceflight, science missions, and ...