"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now." ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

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 ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

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

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

NASA's Mariner 4 captured the first-ever close-up image of Mars on July 14, 1965. While waiting for the data to be processed ...

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

BEIJING -- A team of Chinese geologists has created a Mars soil simulant that almost replicates Utopia Planitia soil, a ...

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...