President Donald Trump has expressed an interest in buying Greenland, an autonomous Danish territory.
A woman's daily habit of cleaning her ears with cotton swabs led to a life-threatening infection in her skull.
A toothless skull was all that researchers had of one of Scotland's oldest known Druids, but now they have something more: a wax re-creation of her face.
Astronomers have been watching the black hole at the center of our galaxy for 20 years, and in May, they saw something they'd never seen before.
About 100 volcanoes dating to the Jurassic era were recently discovered buried under the basins of central Australia.
An explosion off Russia's Arctic coast has led to speculation that the incident resulted from a failed test of a nuclear-powered cruise missile. Do the details add up?
As climate change ramps into high gear, global temperature records are being smashed left and right.
Researchers have uncovered new details of a hidden image buried within Leonardo da Vinci's painting "The Virgin of the Rocks."
America's largest impact crater wreaked havoc on the land and water. Scientists are just beginning to understand it.
In southeastern Colorado, male Oklahoma brown tarantulas will soon begin their annual migration to reach the prairies where female spiders live.
A man was diagnosed with penile ossification, a rare condition in which bone forms inside the penis.
Fish swam for their lives when they encountered a forbidding, ancient "monster" penguin that would have towered over today's largest penguin.
A team of biologists from the United Kingdom thinks that they've decoded the mystery of all the gray squirrels running around the United States with black fur.
Archaeologist says she's in academic purgatory, observing from a distance as Syria burns, unable to help protect its history or its present.
A diarrhea-causing bacterium is evolving into a new species that thrives on sugar-rich Western diets and readily spreads in hospitals.
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