This Mars rock is up for auction at Sotheby's in New York City this week, which is why it's currently on display in the Upper ...

A chunk of the Martian surface that made an unlikely voyage to Earth will be available to the highest bidder at Sotheby's ...

Mars is easiest to see when it’s closest to Earth, which happens about every two years. This event is called “opposition.” In ...

A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

NASA has revealed a concept for the next generation of flight on the Red Planet, the "Mars Chopper." Credit: Space.com | ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

Navigation in unknown environments has emerged as an increasingly pivotal area of research, with autonomous robots assuming repetitive or hazardous tasks that would be challenging for humans. The ...

Now that the space program has reopened, NASA aims to launch astronauts to the moon in 2025 and to Mars by the late 2030s or early 2040s. Elon Musk predicts a crewed mission to Mars by 2029 and an ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet.

Curiosity Mars rover turns 10 NASA's Curiosity rover has captured the first close-up images of a part of Mars that scientists say provide evidence of how water once flowed on the red planet.

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging rocks could provide clues about the Red Planet's watery past and whether ...

Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.