Washington is full of earthly treasures. Local rockhound experts share their tips for how to find and collect agates, quartz ...

Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

Rare fossil finds show colossal octopuses were among the top ocean predators during the Cretaceous Period, according to a new ...

For 25 years, a hand-sized sea creature embedded in Illinois rock held the title of the world’s oldest octopus. Now, thanks ...

During the same period, dinosaurs such as T rex, Triceratops, and Velociraptor dominated life on land, while these octopuses ...

The kraken: a giant squid or octopus of myth, seems to have swam in the Cretaceous oceans, a Japanese study shows.

An A-frame cabin at Fossil Butte National Monument was the home for a fossil miner as he discovered Wyoming artifacts. It ...

At first, this looks like a lucky fossil-hunting day, with the creek bed full of shells and rock formations. Then the search takes a sharp turn when a wrecked ATV appears in an area surrounded by ...

Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their ...

For nearly 25 years, a hand-sized fossil pulled from the rocks of Illinois held a remarkable title: the oldest known octopus ...

"It's a huge gap. And so that big gap got researchers sort of questioning, ‘Is this thing actually an octopus?'" ...

Some 80 million years ago, the late Cretaceous oceans were patrolled by 17-meter mosasaurs, long-necked plesiosaurs, and ...