A long-extinct animal known as the Siberian unicorn -- which was actually a long-horned rhinoceros -- may have walked the Earth 29,000 years ago, at the same time as prehistoric humans, researchers say.
Research has determined nine historic cannons displayed for the past 60 years at a recreated French and Indian War fort in upstate New York were originally aboard a British warship that sank in the Florida Keys in the 18th century, according to an underwater archaeologist who led the project.
Telltale patches of water ice on opposite sides of the Moon reveal that Earth's orbiting companion once spun on a different axis, according to a study released Wednesday.
A U.S. Navy ship that went missing 95 years ago with 56 aboard has been found off San Francisco, ending one of the biggest mysteries in U.S. naval history, authorities said Wednesday.
Fresh supplies shipped out late Tuesday for the International Space Station, where the shelves finally are getting full after a string of failed deliveries.
Black bears that eat human foods from trash cans have higher reproductive rates than those living on natural foods, according to a study by Colorado researchers.
Analysis of a bear bone found in an Irish cave has provided evidence of human exsistence in Ireland 2,500 years earlier than previously thought, academics announced Sunday.
A grandfather of three is poised to blast into space and the record books on Friday, becoming the American astronaut who has spent the longest time in space, NASA said.
For decades, fossil hunters combing the soil near a creek in north-central Illinois have been rewarded with the preserved remnants of a prehistoric creature, its wide-set eyes on stalks and a long, arm-like appendage extending from below them with a pincer-like mouth.
Scans of King Tut's burial chamber have revealed two hidden rooms, Egypt's antiquities minister said Thursday -- a discovery that could intensify speculation that the chambers contain the remains of the famed Queen Nefertiti.