Evolution
Changes in sea level repeatedly connected the Galapagos Islands and affected biodiversity.
Researchers have connected canine swimming patterns to early aquatic mammals.
Joint differences enabled gigantism in dinosaurs.
The arms got longer, the legs got shorter, and they were flying.
Humans' unique throwing ability dawned 2 million years ago.
Rare fossil with its feathers intact found in Wyoming.
A radical concept could revise theories addressing cognitive behavior.
Yeast experiment offers fresh insights on the nature of natural selection.
Simple creature's genome shows surprising complexity, sheds light on evolution and cancer.
Doubt over claims that we descended from new species and disagreement about how close a cousin it was.