Austria battles major flooding after record downpours
Volcano erupts after powerful earthquake in Russia's Far East and scientists warn of a stronger one
Neolithic people moved Stonehenge’s mysterious Altar Stone over hundreds of miles
Why do people have wisdom teeth?
Earthquake scientists are learning warning signs of 'The Big One.' When should they tell the public?
Nearly 600-pound ice age mammoth tusk discovered in Mississippi
Dinosaur killer was a rare asteroid from unusually far away, study shows
SpaceX launches 116 satellites on epic Transporter 11 rideshare mission, lands rocket (video)
