Trove of fossils discovered in Canada sheds light on "when life first became large, complex and unmistakenly animal." ...

Led by Scott Evans, assistant curator of invertebrate palaeontology at the American Museum of Natural History, it draws on ...

The oldest eukaryotes we've found lived exclusively on the seafloor and already used oxygen. The discovery overturns certain long-held assumptions about the group while corroborating others.

Scientists have discovered a previously unknown species of true bug that has claws. Amber from Myanmar’s Kachin region has ...

Millions of years ago, the land you’re currently sitting on was located at a completely different latitude. Your backyard crossed thousands of miles to reach its particular point on the planet, and ...

The now-extinct mollusk may have reached up to 60 feet in length, researchers have found Yohei Utsuki, Department of Earth and Planetary Sciences, Hokkaido University A giant "kraken" octopus may have ...

Today’s octopuses are intelligent, remarkably flexible animals that lurk in reefs, hide in crevices, or drift through the deep sea. But new research suggests that their earliest relatives may have ...

Giant octopuses measuring up to 62 feet (19 meters) in length were among the top ocean predators around 100 million years ago, according to new research that uncovered rare fossils hidden within solid ...

Scientists have solved a long-standing geological mystery about where the Colorado River flowed during a roughly 5-million-year gap in the geological record, according to researchers at UCLA.

You can’t make a mammal-ette without laying some eggs. The duck-billed platypus wasn’t the only mammal to lay eggs. Analysis of a fossil in South Africa proves that our mammalian ancestors were ...

Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in its equatorial regions by vast coal-swamp forests. With high atmospheric ...