Mosasaurs are best known as fearsome marine reptiles that ruled the oceans at the end of the dinosaur era. But new research suggests these giant predators were not limited to the sea. Evidence from a ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

And it was huge. The ancestor of today’s 20-foot great white shark was thought to be about 26 feet long, the authors of a ...

In the age of dinosaurs, before whales, great whites or the bus-sized megalodon, a monstrous shark prowled the waters off ...

In modern times, dugongs are crucial to the Gulf’s ecosystem, helping to sustain the biodiversity of the region’s coastal ...

Prehistoric sea monster bigger than a killer whale may have terrorised rivers too - The mosasaur may have occupied a similar ...

A monstrous shark, predating whales, great whites, or even the bus-sized megalodon, once prowled the waters off what is now ...

A giant marine predator, once believed to roam only the seas, may have also inhabited ancient rivers 66 million years ago.

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...