When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

Paleontologists have found extensive fossil records showing the extent of this catastrophe. Many marine creatures like ammonoids and conodonts went extinct, as well as land animals like phytosaurs, ...

Newly discovered evidence of Australia’s earliest species of tree frog challenges what we know about when Australian and South American frogs parted ways on the evolutionary tree. Previously, ...

There was a moment in 2008 when Michael Mahony realised the ambitious project he'd signed up for years earlier might actually work. Looking under a microscope, a few tiny brown cells had begun to ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

When it comes to dinosaur extinction, the working idea is what’s called the bolide impact. This is the hypothesis that a meteorite came to the surface of the Earth, hit the Earth and led to the ...

Rocks formed immediately before and after non-avian dinosaurs went extinct are strikingly different, and now, tens of millions of years later, scientists think they’ve identified the culprit—and it ...

Threatened frogs aren’t just found in national parks – citizen scientists are finding them throughout private land too.

SAN JOSE, Calif. - Life on Earth is hurtling toward extinction levels comparable to those following the dinosaur-erasing asteroid impact of 65 million years ago, propelled forward by human activities, ...

Nearly 600 California red-legged frog tadpoles that were raised at the Aquarium of the Pacific in Long Beach were released into streams in the Santa Monica Mountains, marking a hopeful step in ...