Now, evidence suggests that some of these spiral-shaped species did manage to persist after all. Recent analysis of ammonite ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% ...

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

When most people think of massive snakes, the first one that comes to mind is the anaconda. Anacondas might be the largest ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...