In school, we learned about the asteroid that wiped out an estimated 76% of all creatures. Scientists now call this the fifth mass extinction. You’re reading that correctly: throughout Earth’s history ...

Earth has a flair for dramatic resets, though it usually takes millions of years to deliver them. Over its long history, life has been knocked back by volcanic eruptions, climate swings, changing seas ...

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs were the last to feel the burn, 66 million years ago, but there have been ...

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

Scientists discovered hidden phosphorus spikes in ancient limestone that may help explain two of Earth’s worst marine mass ...

Earth responded to its most severe past warming event by evolving a new and bizarre type of photosynthesis that allowed a group of primitive plants to survive. Research led by the University of Leeds ...

It had quite an impact — striking with the force of 10 million atomic bombs. Sixty-six million years ago, the asteroid that slammed into what is now the Yucatán Peninsula caused a mass extinction ...