Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth's history. An analysis of ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

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 ...

Supernova destroying planet, illustration. A rocky planet lies in the wake of its star, which has just gone supernova. The explosion shatters the planet. A complete census of massive stars in our part ...

CNN — The sixth mass extinction is not a worry for the future. It's happening now, much faster than previously expected, and it's entirely our fault, according to a study published Monday. Humans have ...

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 ...

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 ...

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 ...

Extinction is inevitable. Expected. Almost all (99%) species that have ever existed have died out. Those disappearances have largely occurred at consistent background rates. But in the context of mass ...

Emergency Management, whether conceived as a management system or an operational unit of government, should not be in the ‘business’ of managing global pandemics. While pandemics are certainly ...