If RNA came before DNA, then what came before RNA?

Molecules in a meteorite have connected life’s handedness to star-forming regions.

New research by a trans-Atlantic team of scientists suggests that bacteria could survive in briny chemicals that exist on Mars, Enceladus, Europa, Pluto and possibly elsewhere.

A more favorable climate on the early Earth could have allowed life to form sooner than expected.

The Red Planet may have migrated to its current position.