Scientists have uncovered evidence suggesting that human tooth sensitivity—those sharp jolts from a cold drink or a sudden ache—may have little to do with chewing at all. Instead, the origin of our ...

The fossil dubbed 'Mosura' showcases that arthropods were more advanced than previously believed. It was well preserved, and ...

Open wide! The gaping gob of a pelican eel can expand into a voluminous sac for trapping elusive prey in the dark ocean depths.