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 ...

Frost-covered regions present the best candidates for the future habitability of Mars and further astrobiological exploration, research into brines shows.

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

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 ...

China is positioning itself to take the lead in one of the most coveted goals in planetary science—returning samples from ...

Geologist Steve Squyres risked his career and millions of dollars to get the Spirit and Opportunity rovers on Mars.

Image from the NASA Viking 1 Orbiter that shows a geological formatting on Mars that looks like a human face© NASA/JPL-Caltech Image from NASA's Viking mission showing black streaks along the ...

‘FACE ON MARS’: Small part of the Cydonia region, taken by the Viking 1 orbiter and released by NASA/JPL on July 25, 1976. Credit: By Viking 1, NASA – Viking 1 Orbiter, image F035A72.

NASA’s Viking program sent two identical probes, Viking 1 and Viking 2, to Mars. Both of these consisted of an orbiter to take photographs of the planet, and a lander to conduct experiments on ...

The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face and sparked controversy next to a later photo demonstrating it was an optical illusion of light and ...