Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

Watch footage of China's Zhurong rover moving on the Martian surface. It was captured by a camera the rover deployed on Mars.

The first astronauts to set foot on Mars should hunt for signs of past or present Red Planet life. That's the overarching conclusion of an in-depth report about human Mars exploration from the U.S.

Add Yahoo as a preferred source to see more of our stories on Google. The first astronauts to set foot on Mars should hunt for signs of past or present Red Planet life. That's the overarching ...