Up to 63% of African and Arabian mammal species may have vanished in a previously undetected die-off.
What nature's most complex constructions can tell us about how the brain organizes behaviors.
Examining small molecules that attach to DNA strands can help build a sense of a lobster's age.
A fossil skull from a bird that lived in the time of dinosaurs sheds light on how the ancestors of modern birds escaped extinction.
When their homes burn, male red-backed fairywrens fail to develop their brilliant plumage.
The ancient dinosaur ancestor likely ate the newly described species by accident.
Honeybees relay the location of the queen through pheromones.
New research supports the idea that pulses of nutrients flushed from Devonian forests fueled ocean algae blooms that suffocated marine life.