New research suggests the birds must sense Earth's magnetic field using some other part of their anatomy.
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.