These strange, long-necked Triassic beasts were able to coexist because they chowed down on different prey.

Archaeologists have found Iron Age temples and medieval structures in Northern Ireland.

One of these tiny mummies held the remains of a bird missing certain body parts.

A teensy "dinosaur" head found in amber might actually belong to an ancient lizard.

A cave in Mexico has human-made stone tools dating to about 30,000 years ago.

Ramps built on some ancient Greek temples were likely placed there to aid the disabled, elderly, pregnant and very young.

A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.

This extinct fish used its hand-like fins to "walk" on the ocean floor.

This tiny pipsqueak may explain why dinosaurs and pterosaurs sported feathers.

A DNA analysis of 807 Polynesians and Native Americans suggests that their ancestors were bedfellows long ago.

Cave divers found a mysterious passageway that led to an ice age ochre mine.

The full moon will pass through part of Earth's shadow, leading to a partial penumbral eclipse.

The last Beothuk died in 1829, but a new analysis finds that this group's unique genes live on.

It's unknown who or what is killing these sea lions on Canada's Pacific coast.

Wild boar jaws found in this man's Stone Age grave inspired his recreated clothing and haircut.

Here's how a forensic artist recreated the likeness of a Stone Age man whose skull was found on a spike.

A "Godzilla dust cloud" from the Sahara Desert that's heading toward the United States this week is the largest and most concentrated dust cloud of its kind in the past 50 years.

Radiocarbon dates from buried animal bones and shells helped date the pits to 4,500 years ago.

An annular eclipse and the summer solstice are both happening this weekend. But don't worry, it's not the end of days.

Chilean scientists nicknamed the fossil "The Thing" after a 1982 sci-fi movie based in Antarctica.

The giant squid's esophagus goes through its brain.

It had a boomerang-like head shield and dozens of legs studded with daggers.

This ancient croc's legs were likely as long as a human's.

The ichthyosaur and her unborn babies lived about 246 million years ago.