The whopping 25-kilogram Martian rock will be sold at a special natural history-themed auction at Sotheby's in New York this ...

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

On Wednesday, Sotheby’s will auction off a chunk of rock believed to have originated on Mars for an anticipated two to four ...

Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

This Martian meteorite is the largest piece of Mars we have ever found by a long shot,” Sotheby’s vice chairman of science and natural history Cassandra Hatton explained as NWA 16788 was to be the ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...

Progress M-31 (92P) — Flight engineers Sergey Ryzhikov and Alexey Zubritskiy opened the hatch leading into the newly docked ...

The UK’s VERVE mission to hunt for microbial life in Venus’s clouds could redefine the search for extraterrestrial life.

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Due to extreme temperatures and the dryness of Mars, it's thought to be impossible for liquid water to form on the planet's surface, a critical precondition for habitability. The only hope of finding ...