NASA’s Curiosity rover has assembled a string of chemical evidence from ancient Martian rocks that, taken together, builds ...

After the Red Planet reemerged from conjunction — a period when NASA doesn't communicate with spacecraft because Mars is ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

More than a decade after landing in Gale Crater, NASA’s Curiosity rover has uncovered something unexpected in the Martian ...

Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest ...

NASA’s Curiosity rover has uncovered some of the largest organic molecules ever detected on Mars, and scientists say ordinary geology may not fully explain them.

Mars Express and Curiosity detected methane and long-chain organic molecules in Gale Crater, including decane, undecane, and dodecane analyzed by the SAM laboratory.

In a new study, researchers say that nonbiological sources they considered could not fully account for the abundance of ...

NASA's Mars rover Curiosity has captured a magnificent postcard from the Red Planet — a 360-degree color view that offers a glimpse of the rover's colorful and apparently diverse surroundings.

When NASA's next Mars rover, Curiosity, arrives at the Red Planet next month, it will help pave the way for the humans that might one day follow. In addition to looking for signs of current and past ...

NASA's Curiosity Mars rover has started a road trip that will continue through the summer across roughly a mile (1.6 kilometers) of terrain. By trip's end, the rover will be able to ascend to the next ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, with its rust-hued surface, is known as the red planet for a reason. Along the way, Curiosity has made some extraordinary ...