When it comes to dinosaur extinction, the working idea is what’s called the bolide impact. This is the hypothesis that a meteorite came to the surface of the Earth, hit the Earth and led to the ...

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

Megalodons—the iconic extinct sharks that dominated the ocean millions of years ago—have been portrayed in Hollywood blockbusters and sci-fi novels as oversize great white sharks. But new research ...

The fossil skull of Kostensuchus atrox, a 70-million-year-old relative to modern-day crocodiles. It is thought to have been an apex predator in what is now southern Patagonia during the Cretaceous ...

The concept that dinosaurs may have met their demise through an insect-born disease is one of two topics open for debate following a screening of “Nova Science Now” segments at SUNY Cortland on ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

Around 66 million years ago, a 12-kilometre-wide asteroid travelling at 43,000 km/h crashed into Earth, triggering one of the ...

SEATTLE — The Pacific Science Center will close its doors for five weeks beginning Sept. 2, marking the end of an era as it retires its dinosaur exhibit that has entertained visitors for four decades.

The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...