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

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 ...

Scientists believe modern technology to be crucial in 'supporting sustained missions' on Mars.

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

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

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

It’s a virtual mission to Mars. Our first mission to Mars may still be a ways off, but people can take a virtual tour of the Red Planet thanks to a brand new video by the Mars Express Orbiter. People ...

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

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

The Curiosity Mars rover photographed more rocks that are shaped like coral on the red planet's surface. Researchers said the rocks were evidence that at one point water was on Mars. The Curiosity ...

ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...