NASA's Curiosity rover is about to conduct some serious scientific drilling at Mars.
NASA is looking for a place to land its next car-size rover on Mars.
NASA's Mars rover Curiosity has passed up a potential drilling target and instead resumed the long trek to a huge Red Planet mountain.
Scientists have found a strange structure resembling a microbial cell inside a Martian meteorite, but they're not claiming that it's evidence of Red Planet life.
NASA plans to make oxygen — a key ingredient of rocket fuel — on Mars early next decade.
NASA's Opportunity rover on Mars has now boldly gone farther than any vehicle has before on the surface of another world, space agency officials announced July 28.
Our understanding about the universe and our place in it has changed over time.
When American astronauts make the next "giant leap" by launching to Mars, they will bring with them a memento from the first moon landing 45 years ago.
Running water didn't create the channels that crisscross the surface of the Red Planet, a new study suggests.