Synapsids were the world’s first-ever terrestrial megafauna but the vast majority of these giants were doomed to extinction. However some lived on, keeping a low profile among the dinosaurs. And now our world is the way it is because of...

This giant millipede was the largest known invertebrate to ever live on land. So how did it get so big??

As revolutionary as teeth were, they would go on to disappear in some groups of vertebrates. But why?

Fossil evidence suggests Diictodon used burrows to breed, and that a parent stayed behind to feed and protect their young. And the parent that stayed behind? It might’ve been the male.

Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.

Right at the beginning of the Paleozoic, there was a huge explosion of more complex life. And that’s when things started to get really interesting. This is our second installment on the history of life, but you can watch in any order you...

Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.

Temnospondyls were a huge group of amphibians that existed for 210 million years. And calling them 'diverse' would be putting it mildly. Yet in the end, two major threats would push them to extinction: the always-changing climate and the...

About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn't the only event of this kind -- extinctions of various severity have occurred throughout the Earth's history -- and are still happening all...

The event that killed the dinosaurs 66 million years ago might be the most famous mass extinction ever, but it's not the only one in Earth’s history, nor is it the worst... not by a long shot.

Sometimes it seems like the past favored large animals, but it turns out that each one on this list has a different reason for its size.

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Carboniferous & Permian periods 360 251...

There is a surprising natural wonder in the middle of the vast West Texas desert: a prehistoric ocean reef built from the remains of ancient sea life. This fossil-rich landscape tells the story of Earth's most devastating mass...

Journey through the Paleozoic era, a transformative period in Earth's history marked by the emergence of complex life and culminating in the largest mass extinction ever. Learn about the rise of diverse life forms, from the Cambrian...

FT Energy Source - Emissions of methane, a potent greenhouse gas, are on the rise. The Permian Basin in the US is a key contributor, due in large part to leaky pipes. President Joe Biden has reinstated laws on plugging oil and gas leaks...