NASA astronaut Josh Cassada photographed a gorgeous green aurora from space, capturing the impacts of a solar storm that swept over our planet.
New evidence that bows and arrows were used by early modern humans in Europe 54,000 years ago has strengthened the idea that such projectile technology might have given early modern humans an edge over Neanderthals.
Japanese researchers have located the wreck of USS Albacore, one of the most successful U.S. submarines of World War II, off the island of Hokkaido, where the sub sank after hitting a mine in November 1944.
Erythritol, a sugar substitute, may be linked to an elevated risk of heart attack and stroke in at-risk adults.