Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

The curious minds at What If explore ancient animals scarier than dinosaurs that once existed, revealing predators, gigantism, and survival adaptations. New message regarding Nancy Guthrie, Arizona ...

Ancient magnetic fossils reveal that animal navigation using Earth’s magnetic field may have evolved far earlier than ...

This ‘NOVA’ presentation focuses on therapsids, lizard-like creatures with distinctly mammalian characteristics that lived on Earth more than 200 million years ago.

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto ...

Antisthenes, Cynic philosopher and tutor of Diogenes, championed simplicity, virtue, and freedom, influencing Stoic thought.

Editor’s note: Welcome to the world of “Paranormal PA,” a PennLive series that delves into Pennsylvania-grown stories of spirits; cryptids; oddities and legends; and the unexplained. Sign up here to ...

Evolution is usually a masterpiece of efficiency, but every once in a while, it feels like the natural world ran out of resources and had to finish a project using whatever leftovers were in the bin.

Ancient lungfish fossils show how early fish evolved features that eventually allowed animals to leave the water and adapt to life on land.