One leading theory on the origins of life on Earth proposes that simple chemical molecules gradually became more complex, ...

Extremophiles: Life in Extreme Conditions Extremophiles are the superheroes of the microbial world. These organisms find a ...

Earth received water toward the final stages of its formation. This reshapes understanding of the conditions needed for life.

Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the building blocks of DNA and RNA were present ...

The finding, reported in the science journal Geochimica et Cosmochimica Acta, is significant because the data reported by the ...

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

The rocky object called Bennu is classified as a near-Earth asteroid, currently making its closest approach to Earth every ...

Could simple Earth life survive on some of these less extreme worlds? We currently describe a solar system's habitable zone by liquid water. If a planet is at the right distance from its star to ...

Samples of organic matter returned from the asteroid Bennu support the theory that asteroids could have brought the building ...

The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life ...

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”, ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.