Leedsichthys also sported 40,000 needle-like teeth. Yet for its prodigious size and toothiness, it was a gentle giant, like ...

The Ocean Monarch – The blue whale remains Earth’s largest animal — up to 100 feet long and weighing 200 tonnes of pure majesty. The Unstoppable Giant – Built like a walking fortress, Dreadnoughtus ...

Pigs, rats, cats, and mongooses, all brought to the island decades earlier by humans, were to blame for their demise, preying ...

A surprising fossil discovery in the desert of West Texas has revealed that a dinosaur species once thought to roam only the ...

Argentine scientists reveal Chucarosaurus diripienda, a giant 30-meter titanosaur found in Patagonia that challenges ...

How big was the Tyrannosaurus rex? Learn how, even though they may not have been the largest theropod, they’re definitely one ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity before going extinct.

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities.