Life on Earth had to begin somewhere, and scientists think that “somewhere” is LUCA—or the Last Universal Common Ancestor.

Chengdu University of Technology-led research has established a high-resolution astrochronological framework spanning ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Tiny magnetic bacteria that live in tightly bound groups are showing scientists how life might have evolved complex, multicellular forms. These rare bacteria can’t survive alone – they depend on one ...

Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

The planet Earth thawed approximately 4.5 billion years ago. The Moon was created when a Mars-sized object crashed. If there ...

One thing geology teaches us about is the existence of another monumental event in the history of Earth, 2.4 billion years ...

Barry Wilmore said that astronauts, NASA and Boeing need to spend time analyzing the Starliner mission to improve future ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

Life on Earth had to begin somewhere ... hellish geologic nightmare known as the Hadean Eon. “The evolutionary history of genes is complicated by their exchange between lineages,” University ...