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

Scientists have long treated mass extinctions as events locked deep in the fossil record. That framing now feels less distant ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

(CNN) — A cataclysm engulfed the planet some 252 million years ago, wiping out more than 90% of all life. Known as the Great Dying, the mass extinction that ended the Permian geological period was the ...

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 ...

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 ...

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 ...