All species alive today, from chimpanzees to bacteria, are cousins that each have equally long lineages, rather than ...

NASA's Europa Clipper probe blasted off from Florida on Monday, bound for an icy moon of Jupiter to discover whether it has the ingredients to support life. Is there anywhere else in our solar system ...

A new analysis of the oldest known fossil microorganisms provides strong evidence to support an increasingly widespread understanding that life in the universe is common. J. William Schopf and ...

What is the most primitive form of life on earth? originally appeared on Quora: the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by Sam ...

Primitive life forms thrived on Mars around the same time prehistoric life was developing in Earth’s oceans — but the Red Planet’s denizens doomed themselves, a new study suggests. Mars’ ...