Ancient sea organisms survived until a sudden extinction 550 million years ago, revealing what may be the first major mass extinction.

Forgotten fossils from the Kimberley show how marine amphibians rebounded and spread across the globe after the end-Permian mass extinction.

Researchers studying the soft-bodied Ediacaran biotas of the world generally accept that there are three distinct assemblages. The 575–560-million-year-old (Ma) Avalon Assemblage is best known from ...

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 ...

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 ...

Earth has experienced five documented mass extinctions to date. With the sixth extinction around the corner, scientists are looking to the past to try and understand how life continues on after one of ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...

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 ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

In nature, extinction doesn’t arrive with a press release. It often begins quietly, with a subtle shift in the environment. A new predator enters the ecosystem. A virus mutates. A faster, leaner ...