Some 555 million years ago, this worm-like animal with a mouth and butt tunneled through the seafloor, originating the body plan that gave rise to humans and most other animals.
Reflecting on Nigel, the bird who spent four years wooing a concrete block.
Watch the hungry beasts rip a flying robot out of the sky and feed on its carbon fiber carcass.
This video from the 'Planet Earth II' series will leave you feeling exhilarated.
Kate Clark is literally putting a face on the animal kingdom.
Last week a Justice of the Appellate Division of the New York State Supreme Court declared that chimpanzees are not people, legally speaking. This does not bode well for the wider and active great ape rights movement.