Daniel Speiser led a study showing some small mollusks have evolved an unusual way to see the world, through hundreds of tiny eyes across their shells.
A whimbrel's journey is tracked by a satellite transmitter so scientists can track her yearly journeys from the Virgin Islands to northwestern Canada and back.
A study suggests that horses who know their trainers have a good concept of person. However, a trainer working with a new horse can expect less success.
Scientists are concerned that melting water in the Arctic Ocean could change global ocean circulation patterns, alter climate and decimate marine fisheries.
California condors were all but extinct a few decades ago. Their numbers are up, and they are now at the center of the controversy over lead hunting ammunition.
Ryan Kerney and a team of biologists found green algae living inside salamander embryo cells, the first cellular-level symbiosis ever seen in a vertebrate.