Hardy bacteria could survive the trip from one planet to another, hidden among the debris from an asteroid impact, a new study suggests, providing possible evidence for a theory that the seeds of life ...

Microbes that flourish in boiling hydrothermal vents, bone-dry desert sediments, and radiation-blasted Antarctic rock are forcing scientists to rethink where life can and cannot exist. These ...

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the English naturalist who ...