While dinosaurs were wiped out when a massive asteroid struck Earth, ammonites survived the massive explosion, only to ...

Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks ...

Aug. 10 (UPI) --An analysis of ancient shark teeth suggests the marine predators were relatively unaffected by the extinction event that wiped out 75 percent of the planet's species, including the ...

Roughly 66 million years ago, an asteroid or comet struck the planet and wiped out three-quarters of every animal and plant species alive. Known as the Cretaceous–Paleogene extinction event (K–Pg), it ...

When an asteroid slammed the Yucatán Peninsula 66 million years ago, it was bad news for dinosaurs — and about 75 percent of plant and animal life on the planet. This event marks the ...

Frogs (Anura) are one of the most diverse groups of vertebrates and comprise nearly 90% of living amphibian species. Their worldwide distribution and diverse biology make them well-suited for ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

There are a few things that scientists know about the dinosaur-killing asteroid that hit the Earth around 66 million years ago. Its impact site is the Chicxulub crater, which is on the Yucatán ...

The dinosaurs were killed by a meteorite impact on the Earth some 66 million years ago in what has become known as the Cretaceous-Paleogene extinction event. At what time of the year this occurred has ...