Some of the most massive and influential stars in the universe are OB stars. These blue giants, many times more massive than ...

Massive volcanic eruptions on the Indian peninsula have long been proposed as an alternative cause for the demise of the dinosaurs. This phase of active volcanism took place in a period just before ...

A new study shows how the extinction of giant animals 10,000 years ago reshaped food webs, with lasting impacts on ecosystems ...

Many of their descendants—modern birds—are currently threatened by extinction, with hundreds of species at risk due to human activity. This article explores the major extinction events that influenced ...

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 ...

A meteorite hit Earth about 66 million years ago near what today is the Yucatán peninsula, causing widespread destruction and death. But almost simultaneously, intense volcanism covered a vast area of ...

Mass extinction events are defined by a 75% loss in total species. These events can take tens of thousands to several million years. Experts are alarmed at today’s “unprecedented” population abundance ...

couple of Brachiosaurus altithorax and a flock of Pterosaurs in a scenic Late Jurassic landscape© dottedhippo/iStock via Getty Images The Jurassic Period is one of the three prehistoric geological ...

Mass extinction events represent intervals of abrupt, large‐scale loss of biodiversity that have repeatedly reshaped life on Earth. These crises are commonly linked to dramatic environmental ...

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...