Researchers at the Technion have discovered how changes in genetic regulatory sequences can lead to alterations in the form and structure of animals—even when genetic regulatory systems are stable and ...

A reexamination of microfossils found in the Brazilian state of Mato Grosso do Sul shows that the marks previously ...

Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...

Scientists once assumed that evolution would eventually force every member of a species to behave in more or less the same ...

Kangaroos thrive on tough grass using thick enamel instead of complex teeth, revealing an unexpected path in evolution.

Armed with a spring-loaded club and a devastating ‘double whammy’ strike, this shrimp is one of evolution’s strangest ...

A new interdisciplinary review published in The Quarterly Review of Biology argues that red meat, once an essential component ...

These unusual facts about animal sexuality expose the oddities associated with animal reproduction and sexual habits in ...

The wombat’s intestine does something no other gut on Earth does. Understanding why reveals how deeply evolution can sculpt ...

The way bugs and birds flap their wings may look effortless, but the dynamics that keep them aloft are dizzyingly complex and ...

Scientists wanted to know why the chatter of Alston’s singing mice sounds so much like human conversation. What they found ...