Lockheed Martin has unveiled a new proposal to take over NASA's beleaguered Mars Sample Return mission for less than half the current cost while achieving key science goals.

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

Perseverance cracked open a tricky Mars rock to find water-related minerals, then zoomed across the landscape to make its ...

A rare meteorite that traveled 36 million miles on its journey to Earth could become the most expensive space rock ever sold ...

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI ...

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

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...