Evolution

Changes in sea level repeatedly connected the Galapagos Islands and affected biodiversity.
Ker Than, Contributor
A single mutation may account for lethal animal's toxin.
Joel Shurkin, Contributor
Researchers have connected canine swimming patterns to early aquatic mammals.
Katharine Gammon, Contributor
Joint differences enabled gigantism in dinosaurs.
Jyoti Madhusoodanan, Contributor
The arms got longer, the legs got shorter, and they were flying.
Joel Shurkin, Contributor
Humans' unique throwing ability dawned 2 million years ago.
Chris Gorski, Editor
Rare fossil with its feathers intact found in Wyoming.
Joel Shurkin, Contributor
A radical concept could revise theories addressing cognitive behavior.
Chris Gorski, Editor
Yeast experiment offers fresh insights on the nature of natural selection.
Peter Gwynne, Contributor
A new hypothesis about how complex life emerged on Earth.
Jason Socrates Bardi, Editor
Simple creature's genome shows surprising complexity, sheds light on evolution and cancer.
Jason Socrates Bardi, Editor
Doubt over claims that we descended from new species and disagreement about how close a cousin it was.
Devin Powell, Contributor