LUCA, short for Last Universal Common Ancestor, is believed to be the single-celled organism from which all life on Earth descended. Estimated to have existed around 4.2 billion years ago, LUCA is ...

Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...

Recent research led by the University of Bristol has made waves by pushing back the timeline of Earth’s earliest life form by ...

An international collaboration between four scientists from Mainz, Valencia, Madrid, and Zurich has published new research in ...

Ultimately, the widespread occurrence of SSSB in mammals, especially primates, strongly suggests that such behaviors are ...

The resulting pups are not exact replicas of their ancestors, but have many of their ... suggest that it might be more common than we thought. Understanding the dire wolf’s evolutionary history ...

Throughout most of human history, evolution progressed slowly. Small genetic changes took thousands of years to permeate populations. Natural selection was intentional, reactive, and gradual.

Researchers have found a fossilized ancestor of modern seals and sea lions that they say represents an evolutionary step in the organisms' transition from land-dwelling mammals to the aquatic ...