Researchers just discovered a 66-million-year-old sea lizard in a phosphate mine near Casablanca, Morocco. The Khinjaria ...

Long before the carnage began, the Cretaceous picked up where the Jurassic ... long-necked and toothy marine reptiles terrorized fish, ammonites, and mollusks in the seas; pterosaurs and hairy ...

Xiphactinus was one of the largest bony fish of the Late Cretaceous and is considered one of the fiercest creatures in the sea. A powerful tail and winglike pectoral fins shot the 17-foot-long (5 ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

Bioluminescence, the ability of living organisms to emit light, is a fascinating phenomenon observed in various life forms, ...

A Danish fossil hunter discovered a 66-million-year-old chunk of fossilised vomit, likely from a fish that couldn't digest sea lilies.