UFO enthusiasts who rallied in 2019 to invade Area 51 may have been joking about "storming" the base. But law enforcement officials took the idea very, very seriously.
Two graves that were recently excavated in an ancient impact crater in Bavaria, Germany, held high-quality goods that were unusual for burials in the Middle Ages.
A meteorite that landed in British Columbia crashed through a roof and narrowly missed hitting a woman who was asleep in her bed at the time.
Leprosy, a disease that was previously unknown in non-human primates in the wild, has been detected in two unconnected populations of chimpanzees in West Africa.
Federal prosecutors charged a man with illegally harvesting wild turtles to sell commercially, which is illegal in Florida.
Mathematician and astrologer John Dee, a confidant of England's Queen Elizabeth I, was also an avid occultist and allegedly used this obsidian mirror to talk to spirits.
New analysis of bones in the Tomb of Nestor's Cup revealed a surprising discovery: Long thought to be the burial of a child, the tomb instead held the remains of at least three adults.
Conversational video technology enables AI-powered back-and-forth between viewers and prerecorded responses.
Thawing permafrost driven by climate change could free decades-old radioactive material, antibiotic-resistant microbes and unknown viruses that have been frozen for millennia.
In the Umm Jirsan lava tube, the longest such structure in Saudi Arabia, scientists discovered piles bones belonging to animals that hyenas devoured there for thousands of years.
Unusually hot and dry conditions fueled a dust cloud and birthed a rare sandstorm of massive proportions.
A whale that was found belly-up on a New York beach likely died of injuries caused by interactions with people.
Using genetic data, a forensic artist rebuilt the faces of three ancient Egyptian mummies, revealing each individual's likely appearance as a 25-year-old.
One of the Southern Resident orcas, a 47-year-old female known as L47, hasn't been seen by census takers since February.
Maya people who had fled their cities after a volcano erupted returned and built an enormous pyramid from the volcanic debris.
The short film "Life Beneath the Ice" features delicate, illuminated marine creatures living under the sea ice in Antarctica.
A farmer in Russia's Stavropol region found the waterlogged "king." Specimens of rat kings are preserved in the collections of some natural history museums.
Over 100,000 years ago, extinct relatives of modern elephants lived in matriarchal groups, according to preserved trackways in southwestern Spain.
A newly described extinct giant penguin from New Zealand has unusually long legs and a long, slender beak, and it dates to a time when much of the region was underwater.
For millennia, the function and importance of this singular organ has fascinated physicians, philosophers and artists around the world.
Our quest to understand how the heart works — in ourselves and in other animals — has inspired philosophers and artists as well as doctors and researchers.