A Tohoku University-led team said it has found in Hokkaido a layer showing the asteroid impact linked to the dinosaur ...

A team of Japanese researchers has discovered traces of an asteroid collision in the northernmost prefecture of Hokkaido that may have caused the mass extinction of dinosaurs at the end of the Cretace ...

The discovery of traces of an asteroid in Hokkaido is the first-ever confirmation of such traces in Japan, according to the ...

Sixty-six million years ago, a huge asteroid famously hit the Earth, causing the extinction of dinosaurs and about half of ...

The asteroid that smacked into our planet about 66 million years ago at the Cretaceous-Paleogene (K/Pg) boundary may have been bad news for dinosaurs, but it was good news for fungi. According to new ...

Scientists discovered three new mammal species that survived in Alaska’s ancient Arctic during the age of dinosaurs.

Three previously unknown species of rodent-like mammals that once scurried alongside dinosaurs in what is now northern Alaska ...

Learn more about the newly identified species from the Arctic that were part of one of the longest living mammal groups on ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season ...

In National Geographic's inaugural edition of the Stones & Bones newsletter, we travel to the far reaches of Argentina to ...

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest ...