Evolution

Mutation allows first real test of theory about imprinted genes

New theory suggests that dozens of protocells, not single ancestral type, led to today's life forms

Some bacteria might have evolved disguises to escape predators--not their hosts' defenses

Only a few cataclysmic events shook up the balance of ocean life

Renowned paleontologist and science popularizer succumbs to cancer

Fossils suggest bad balance pushed early cetaceans into the sea

It's not our genes but the way we use them that separates us from chimps

Sexual selection speeds species formation in jumping spiders

Two studies examine genetic material from old bones

Early African and Asian hominids belonged to same species

An endangered monkey sheds light on how an extra copy of one gene can evolve into a gene with a different purpose

'Junk DNA' may have evolved 1 billion years earlier than scientists had realized

A big frontal cortex isn't what make us the smartest primates after all

New evidence of the eternal struggle for the upper hand in mating

Who ate what to create the first advanced cell?

New study reaffirms that echolocation evolved twice in bats