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

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Mars may seem like a silent, barren world, but its fine, abrasive dust tells a different story. From wiping out the ...

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

On January 25, 2004, NASA's Opportunity rover landed on Mars! This was the second of NASA's twin Mars Exploration Rovers to ...

MARS was not always the beaming red we’re so used to seeing in space. Scientists have revealed that it was actually a “blue ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the landscape. Mars is often portrayed as a dry, empty world, but the planet is ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the extent to which Mars is quietly tugging on Earth's orbit and shaping the ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...