Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.

A UK-Canadian team of scientists has discovered ancient pockets of water, which have been isolated deep underground for billions of years

NASA's Mars rover Curiosity just might be the latest in a long line of Mars-exploring robots to discover the building blocks for primitive life on the Red Planet.

Following last week’s announcement that Curiosity had found conclusive evidence that Mars was once capable of supporting life

Scientists said Sunday they had discovered an unexpectedly large and active community of single-cell organisms living on the Pacific sea floor

An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.

When it comes to life across the cosmos, the universe might just be an "awful waste of space" after all.

Algae-like structures inside a Sri Lankan meteorite are clear evidence of panspermia, the idea that life exists throughout the universe, say astrobiologists.

The species of bacteria, whose traces were found in probes of water from Lake Vostok, do not belong to any of the 40-plus known subkingdoms of bacteria

Astronomers are coming to believe that some of the solar system's moons might be more likely places to search for life than Mars.

Martian rocks from a crater hit by a meteorite may contain the strongest evidence yet that there is life on Mars.

Curiosity, is about to start drilling into the Red Planet for the first time, after discovering a treasure trove of what looks like water-created minerals.

The 3.5 billion-year-old fossil could help scientists discover microbes on Mars

Astronomers have detected an alien planet that may be capable of supporting life as we know it