New drone footage catches shark-on-shark predation in action.
A new social network map shows a well-connected anti-vaccine movement, now intertwined with coronavirus conspiracy theories.
Pendants made from cave bear teeth are among the items found with the earliest modern human fossils in a cave in Bulgaria.
Humans' compulsion to touch their faces may be part of a subconscious instinct to smell themselves.
Researchers use the DNA of currently-living Quebecois to help identify their ancestors.
Factories, national parks, and dense urban areas worldwide feel the effects of COVID-19.