Life on Earth started out microscopically small, but it didn’t stay that way for long. Here are five of the biggest creatures ...

When the remains of prehistoric creatures were discovered in Europe and the United States, it opened up a vociferous debate ...

The land would later become the Iberian Peninsula, and the valley the creature stood would be buried deep in the rocks of Portugal. About 125 million years later, paleontologist Pedro Marrecas would ...

The fossil was dated to the Triassic period, between 252 and 201 million years ago. This specific fossil is about 241 million years old, making it 3 to 7 million years older than any lepidosaur found ...

Before there were dinosaurs, before trees covered the land, fish were already hard at work shaping Earth’s future. They did this with a single powerful innovation: jaws. Jaws weren’t just for biting.

MOROGORO, Tanzania (AP) — A man lies unmoving, slumped in the rubble of a simulated earthquake, as an unlikely rescuer approaches: a rat with a backpack. Whiskers waving, the rat breezes past garbage, ...

Even today’s giants — towering giraffes and massive elephants — are tiny compared to the prehistoric titans that once dominated the planet. Long before humans showed up, Earth was home to creatures so ...

Even today’s giants — towering giraffes and massive elephants — are tiny compared to the prehistoric titans that once dominated the planet. Long before humans showed up, Earth was home to creatures so ...

Researchers have found fossil evidence of varied creatures wooing and mating, as they continue to search for the telltale ...

A kitten is just a handful at three or four ounces, which is lighter than a deck of cards. Litters of three to five mewl for milk every few hours. They nurse for about eight weeks, eyes closed at ...

SUGAR LAND, Texas — Why did the gator cross the road? It may be a question we’ll never know the answer to, since one in Sugar Land was stopped before making it. This 8-footer was spotted Monday night ...