Earth was a terrifying place during the Cretaceous period, some 66 million to 145 million years ago. During its tail end, Tyrannosaurus rex prowled the land. And a little before that, another kind ...

The Cretaceous Period produced some of the most unusual dinosaurs ever discovered, with body shapes that still feel ...

An octopus species that lived about 80 million years ago had a body length of up to 19 meters and was likely the top predator ...

‘Kraken’ fossils show enormous, intelligent octopuses were top predators in Cretaceous seas Fossil jaws from colossal octopuses place them at the top of a prehistoric marine food chain ...

A UW-led research team uncovered the fossil of a 75-million-year-old mammal that was roughly the size of a golden hamster, ...

Southern Africa is world renowned for its fossil record of creatures that lived in the very distant past, including dinosaurs. But, about 182 million years ago, a huge eruption of lava covered much of ...

Well folks, we have reached the end of the Mesozoic Era and the end of dinosaur trivia. So to finish it off, let’s look at the final and longest period: the Cretaceous. Dinosaurs of the Cretaceous ...

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, allowing the rise of mammals and leaving birds as their only living descendants.

BRAGGS, Ala. (WSFA) - There’s just something about exploring a creek. The sound of the running water, and the mystery of what you may find. Mississippi native and creek enthusiast Jeff McCraw has a ...

A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...

Around 66 million years ago, springtime in the Northern Hemisphere brought disaster and mass death to Earth in the form of a giant asteroid impact that triggered a global extinction. 164 ...