Jumping genes in bdelloid rotifers are tamped down by DNA methylation performed by an enzyme pilfered from bacteria roughly 60 million years ago, a study finds.

A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.

Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.

Many species of birds and other vertebrates form pair bonds and mate with just one other individual for much of their lives. But the unions don’t always work out. Scientists want to know the underlying factors.

Researchers show that tagging marine animals could disrupt their ability to live normal lives.

A high-quality genome sequence for this versatile insect will likely aid eco-evolutionary research.

Studies suggest not all critters fare well in extreme weather, though some thrive.

The University of St. Andrews behavioral ecologist studies the social structures and behaviors of whales and dolphins, recording and analyzing their acoustic communications.

The researchers who constructed the first reference genome for this critically endangered mollusk say it will assist restoration efforts.

Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.