Animals
New research suggests the birds must sense Earth's magnetic field using some other part of their anatomy.
Experiments showed how cats can track their owners by listening for their voice
Genes for repairing DNA, metabolizing glucose and suppressing inflammation may help some rockfish live for hundreds of years.
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.
Experiments on fox squirrels show they know the perfect combination of speed, springiness and "parkour movements" to get their nuts.
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.
Photographers snapped images of the red-eyed insects emerging after 17 years underground.