The passenger looked like he was having a stroke. But a doctor on board determined the patient had an unusual yet temporary condition.
Two centuries after it was first sighted by Russian explorers, Antarctica is a key site for studying the future of Earth's climate – and for global scientific cooperation.
The world's oldest known impact crater has been in Western Australia for more than 2.2 billion years, a new study suggests.
A Civil War artifact found in Virginia could represent a type of talisman that was popular for protection against evil: a so-called witch bottle.
Paleontologists have discovered the skeleton and radioactive skull of a previously unknown species of Allosaurus.
Modern birds can trace their origins to theropods, a branch of mostly meat-eaters on the dinosaur family tree.
A famous 15th-century altarpiece has been restored in Belgium, and people are freaked out by the artist's original image of a human-faced Jesus sheep.
Fallout from nuclear bomb tests could help experts detect fraudulent whiskeys that are purportedly more than a century old.
Scientists used computer algorithms to "evolve" an organism that's made of 100% frog DNA — but it isn't a frog.