Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

Scientists want to study a distant world in the solar system that is classified as a dwarf planet. But some experts think it ...

"One of the most successful and enduring feats of interplanetary exploration, NASA's Opportunity rover mission is at an end after almost 15 years exploring the surface of Mars and helping lay the ...

Embark on a breathtaking journey to Mars in stunning 4K, captured by NASA’s legendary rovers: Spirit, Opportunity, Curiosity, and Perseverance. This video brings you face-to-face with the Martian ...

The biggest Martian meteorite ever found on Earth is going under the hammer — and it’s got collectors buzzing from London to ...

Traditionally, Mars was thought to have been cold and dry, with only brief periods of melting ice creating short-lived rivers ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

Sotheby’s may be better known for Warhols and Picassos, but this week, the Upper East Side auction house is going full geek. Through July 15, the annual Geek Week exhibition returns, transforming the ...