Researchers have discovered evidence of one of the largest dinosaur mating "dance arenas" in present-day Colorado.

Scientists at the Denver Museum of Nature and Science discovered a 67 million-year-old dinosaur fossil hidden under their noses — in the museum’s parking lot.

An analysis of a roughly 180-million-year-old fossil fin reveals serrations and flexibility that might have served to dampen ...

The evolutionary quirks unveiled by the new research offer insight into how a subset of ichthyosaurs lived and hunted– and ...

Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.

Ancient lungfish jaws tell a complex evolutionary story. New 3D analysis uncovers surprising feeding adaptations. Ancient ...

A new study has uncovered evidence that a giant marine reptile from the Early Jurassic period used stealth to hunt its prey in deep or dark waters—much like owls on land today.

In an incredible twist of fate, a retired chicken farmer unearthed a 240-million-year-old amphibian fossil in a pile of rocks ...

The apex predator, ichthyosaurs, devised a unique adaptation to minimize noise underwater, unlike other marine predators, as seen in the fossil.