Scientists have discovered which animal was the first to branch off from our collective common ancestor. For years, debate had raged over whether the first to diverge was the sea sponge or the comb ...

Last spring, Katie Kring-Schreifels noticed two mourning doves fluttering in the maple tree outside her bedroom window. With the help of binoculars, over the course of several weeks she watched as the ...

Artificial-intelligence systems are feeding on Wikipedia without giving back, and academic indifference is threatening the survival of what is arguably the most widely used reference work on the ...