Paleontologists unearthed the oldest ancestor of land-dwelling herbivores with the discovery of a 300-million-year-old skeleton, shedding light onto plant eaters' emergence on land, a study said.
Fishermen have found two conjoined gray whale calves in a northwestern Mexican lagoon, a discovery that a government marine biologist described as "exceptionally rare."
A vast store of water equivalent in area to Ireland lies beneath Greenland's icesheet, and it may provide answers to one of the big riddles of climate change, scientists reported on Sunday.
German authorities think a good number of the paintings found in an art trove largely looted by the Nazis may ultimately be returned to the Munich man in whose apartment they were discovered.
Researchers have identified a new humpback dolphin species off northern Australia, using genetic mapping to single out an animal not previously known to science.
It's no secret humans have been having sex for millennia -- but recently discovered cave art suggests they were doing it in the Americas much earlier than many archeologists believed.
A 350-million-year-old fossilised scorpion discovered in South Africa is the oldest known land animal to have lived on Gondwana, part of Earth's former supercontinent.
