A design student's graduation project proposal: a flag to unite the world as humans.
Over 200,000 people applied for the chance to visit the red planet and never come back. Now Mars One has whittled the applicant pool down to just 100.
The Curiosity rover's high-resolution camera has returned pictures of a dusty sunset on the Red Planet.
His book about a colony on Mars is about to become a Hollywood blockbuster, but Andy Weir isn't quite as bullish as NASA about his fiction becoming fact within 25 years.
We've known for some time that the Red Planet has frozen water and likely once hosted massive oceans, but it turns out Curiosity may not have to dig too deep to wet its whistle.
NASA scientists speculate seeping water may be causing some fascinating seasonal formations in the mountains of Mars.
NASA's plucky old rover Opportunity reached a new milestone by topping a marathon distance on Mars.
NASA's orbiting Mars probe has spotted two surprises in the Red Planet's atmosphere: an unexplained dust cloud and a deep ultraviolet aurora.
NASA scientists have analysed the water signatures in Mars' atmosphere to determine that the planet once had a primitive ocean bigger than the Arctic Ocean on Earth.
An electrical hiccup means the Mars rover will be sidelined for a few days as NASA tries to locate the problem.