Charles Q. Choi

The little sea monster used its mouth full of scissor teeth to rip flesh from other fish.

An analysis of ancient silver coins suggests that the ordained woman may have actually lived.

Jesus' crucified body did not make the bloodstains seen on this holy cloth, scientists find.

The first mission designed to hunt a meteorite that crashed into the ocean has now discovered what may be tiny fragments of the meteorite's crust, researchers say.

A new study suggests also looking for "bioessential" elements when searching for alien life.

That's a setback for what is otherwise a highly nutritious bread.

A black hole could have 1 million planets orbiting near it that are potentially capable of supporting life as we know it, an astrophysicist suggests.

The odd shapes of the inner moons of Saturn, from ravioli to potatoes, may be due to mergers of tiny moonlets, a new study finds.

Physicists speculate that decaying neutrons may be producing particles unknown to science that make up the elusive dark matter.

Any alien civilizations born on "super-Earth" planets may be ground-bound by their home worlds' powerful gravity, a new study suggests.

This is a serious question, and serious scientists are speculating about what traces these potential predecessors might have left behind.

A vast "city of the dead" in Sudan revealed stones inscribed with the oldest language in southern Africa.

Earthworks that span a huge swath of the Amazon River basin reveal some parts of the region were once densely populated.

The corpses of these tiny creatures ooze out a slimy layer that may explain catastrophic undersea landslides and tsunamis.

A metallic robot hand with "Terminator"-like power sounds good for the movies. But what about a real-life future where that android is now cradling your baby or just shaking your hand?

The oldest fossils of modern humans outside Africa have been discovered in Israel.

New work probes the extraterrestrial source of incredibly powerful explosions of radio waves, investigating why that spot is the only known location to repeatedly burst with these blasts.

The giant ice wall that protects the Seven Kingdoms from the White Walkers is physically unrealistic, glaciologists say.

The world's first nuclear fusion plant has reached a major milestone: Its plasma core is halfway done.

Rising sea levels could threaten Jamestown in Virginia, Kennedy Space Center and Cape Hatteras Lighthouse, among thousands of other archaeological sites in the U.S.

Abominable snowman DNA has revealed the source of possible yeti sightings in Asia.

People's personalities may be shaped by the temperatures of the places in which they grew up, a new study suggests.