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

Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era. Insights from a University of California study suggest that early Earth had ...

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

A team led by a Rutgers-New Brunswick scientist has concluded water did not arrive as early during Earth's formation as ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

By exploring Yellowstone's geothermal springs, scientists discovered the microbes that reveal how life adapted to harsh conditions billions of years ago.

Rock and dust samples retrieved by NASA from the asteroid Bennu exhibit some of the chemical building blocks of life, ...

[Photo/Agencies] LOS ANGELES -- Studies of the samples from asteroid Bennu brought back to Earth by NASA's spacecraft have ...