Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

Chris Impey receives funding from the National Science Foundation and the Howard Hughes Medical Institute. We have only one example of biology forming in the universe – life on Earth. But what if life ...

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Complex cells are thought to be the result of a union between two ancient microorganisms, but scientists have long been ...

Scientists propose that eukaryotes formed when an Asgard archaeon entered into a close partnership with an alphaproteobacterium. Over time, the two organisms became permanently linked. The ...

A new study co-authored by researchers at Indiana University sheds light on how the forces that shape mountain ranges also influence the evolution of species. In the study, "Direct effects of mountain ...

Researchers demonstrated how amino acids could spontaneously attach to RNA under early Earth-like conditions using thioesters, providing a long-sought clue to the origins of protein synthesis. This ...