It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...
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.
Discover the connection between volcanic events and the rise of Earth's oxygen levels that enabled complex life to thrive.
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 ...
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
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 ...
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 ...