Astronomers have identified a planet the size of Mars orbiting a star 200 light years from the Earth.
Scientists have identified traces of methane inside space rocks that are thought to have come from Mars.
Deposits of impact glass on the surface of Mars could potentially contain traces of ancient life forms.
The new Space Launch System will enable ambitious future missions including a manned trip to Mars.
NASA Administrator Charles Bolden has outlined the space agency's plans for getting humans to Mars.
The space agency will be testing out its futuristic Mars landing system over Hawaii this week.
The Siloe Patera crater on Mars is now believed to be the collapsed center of an enormous volcano.
Astronauts on a manned mission to Mars could first use its moon Phobos as a staging area.
Cosmic radiation could be the single biggest problem for future astronauts embarking on a trip to Mars.
NASA's Curiosity rover has found evidence of liquid water forming near to the planet's surface.
NASA has revealed a partnership with the firm behind a new super-fast deep space engine.
NASA has revealed that the rover has found further evidence of organic molecules on the Red Planet.
The legendary astronaut tweeted a light-hearted picture encouraging a manned trip to Mars.
Joseph Roche, who is himself on the shortlist to go to Mars, doubts very much that it will ever happen.
An image of a 'mushroom cloud' on the Red Planet has caught the attention of conspiracy theorists.
Scientists have revealed that Mars had so much water that it covered over half the northern hemisphere.
The rover's instruments have picked up unequivocal evidence that there really is methane on Mars.
Scientists have been left scratching their heads over a 1,000km plume spotted high above the planet Mars.
The final 100 applicants shortlisted to embark on a one-way trip to Mars will be announced next week.
24-year-old Maggie Lieu has been shortlisted to go to Mars as part of the controversial Mars One project.