New discoveries in archaeology, genetics, and geology are piling up and they do not fit the clean textbook story of slow ...

For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But hidden within the chaos it unleashed was the seed of a biological rebirth. In ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

Fossils from Denmark suggest ammonites survived the asteroid extinction far longer than believed, raising new questions about how these ancient marine survivors finally disappeared after Earth’s most ...