Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed ...

A study reconstructs the chemical composition of key molecules in stars by analyzing their infrared fingerprints.

The Jiangchuan Biota indicates that we may have misjudged the Cambrian “explosion” of complex life.

The findings reveal that the Martian surface can preserve the kinds of molecules that could serve as signs of ancient life.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How life emerged on rocky planets such as Earth (and possibly Mars) has been an enduring mystery. It ...

In 1976 David Attenborough embarked on his most ambitious project ever. No-one had ever attempted a natural history series on ...