Mars, the Red Planet, may have been much wetter in the distant past than scientists ever imagined. A groundbreaking discovery ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

Researchers examining Noachis Terra in Mars’ southern highlands found evidence of extensive river networks – some hundreds of ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

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

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

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.

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

Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.