A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

Meet Bille, the name given to the world's first monostable tetrahedron—a four-faced object that will always land on the same ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

NASA intends to land the "first woman and first person of color" on the moon as part of the Artemis III mission. This will be ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...