Artisanal foods often call to mind an idyllic, machine-free farm. But that's not quite right.

New research suggests that choice biases, such as loss aversion, might be evolutionarily ancient.

Even when a dentist kills an adored lion, and everyone is furious, there’s loftier righteousness to be had.

Over generations, mice deprived of fiber permanently lost some species of gut microbes. What does this mean for human health?

Because everything is awful.

Waves of radiation from local supernovae might have mutated DNA, triggered intense lightning storms, and even caused mass extinctions.  

A new study suggests that half the world's fastest cats will be gone in 15 years—and that's being optimistic.

Scientists have discovered some of the genetic changes behind the useless wings of the Galapagos cormorant.

Could deep sleep during space travel really work one day?

Its ability to cope with wildly fluctuating blood-sugar levels might provide clues to improving human health.