Scientists photograph the elusive ginkgo-toothed beaked whale, the source of the BW43 echolocation pulse, for the first time.

The brain constantly blends split-second reactions with slower, more thoughtful processing, and new research shows how it pulls this off. Scientists discovered that brain regions operate on different ...

They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty millenniums later, our ancient human cousins ...

The gray-market drugs flooding Silicon Valley reveal a community that believes it can move faster than the F.D.A.

The brain’s chatter has always been partly out of reach, with electrical spikes easy to record but the chemical whispers ...