“One of the goals [of astrobiology] is to go to [other worlds] and look for microorganisms, but in the meantime there’s so ...

Rovers sent to Mars have so far failed to detect life, likely because it doesn’t exist on the Red Planet. But we can’t say ...

A team of researchers in Germany have proposed a new method for searching for life on alien worlds, which they believe could ...

An asteroid strike could cool the planet's climate, harm crops, and disrupt food supply, but it may also increase plankton ...

The asteroid Bennu has provided groundbreaking insights into the chemistry that may have set the stage for life in the early ...

About 99% of Earth is uninhabitable; in deep underground places with high pressure and temperature, even the toughest ...

Molecules friendly to life have been found in samples of the asteroid Bennu, which NASA collected with a robotic probe five ...

To comply, NASA has sought to sanitize Mars rovers at a threshold of no more than 300,000 bacterial spores on any surface.

A new analysis of samples from the asteroid Bennu, NASA’s first asteroid sample captured in space and delivered to Earth, ...

The Bennu discovery helps to illuminate how, early in the Solar System’s history, asteroids and other planetary building blocks were not just “lumps of stone and ice, but active ‘living’ objects”, ...

Two new papers describe hints to a brine-filled environment on the 4.5-billion-year-old space rock and the presence of amino ...