A new study reveals that a major cooling event 34 million years ago caused staggered marine extinctions, not a single global ...

A mass extinction event is a term used to describe a large-scale event that wipes out species. It is usually not a short, one-time incident but rather something that occurs over thousands or millions ...

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

Scientists have finally cracked a long-standing mystery about squid and cuttlefish evolution by analyzing newly sequenced ...

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 ...

There might still be dinosaurs living on Earth today — if not for the giant asteroid. It’s a long-debated issue, but now researchers say the idea Dinosaurs were in decline before the Chicxulub ...

Some 252 million years ago, almost all life on Earth disappeared. Known as the Permian–Triassic mass extinction – or the Great Dying – this was the most catastrophic of the five mass extinction events ...

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 ...

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 ...

A quarter of a billion years ago, long before dinosaurs or mammals evolved, the predator Dinogorgon, whose skull is shown here, hunted floodplains in the heart of today's South Africa. In less than a ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

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 ...