Researchers measured the oxygen compositions of zircon, a mineral that formed in some rocks that made up the Earth’s early continental landmasses some 3.2 to 4.2 billion years ago. They found ...

A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic activity, may have supported microbial life before the Great Oxidation Event.

The unique geological formation came into existence 2 billion years ago when magma rose from the ... Yohey Suzuki, an associate professor of earth and planetary science at the University of ...

But this hasn't always been the case; several mass extinction events correspond ... during the late Archean eon (3.0–2.5 billion years ago) of Earth's geologic history. "Understanding the ...

The impact crater could be linked to the origins of life on Earth ... years old, according to the paper. The second-oldest impact crater, estimated to have been created about 2.2 billion years ago ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from ... 1,800 miles (2,900km) below Earth's ...

New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...

The calculations suggested 2.5 supernovas might affect Earth in some way every 1 billion years ... cause a mass extinction. During the Devonian geological era, life thrived on land for the ...