Animals

Scientists demonstrate that crows are capable of recursion—a key feature in grammar. Not everyone is convinced

Aye-ayes use their long middle finger to pick their nose, a first for this lemur species. But scientists aren’t sure why these animals picked up the habit

A new study quantifies how dolphins vary their “signature whistles”

Cannibals start munching as animal populations grow

Why on earth would you try to “brew” anything using parasitic fish that slurp the blood and guts out of other fish?

Tiny, soccer-playing bees raise questions about the inner lives of invertebrates

New research shows that birds of prey attempting to grab a bat from a roiling mass of the flying mammals have developed a way to cope with the confusion.

A sunfish found near the Azores breaks the 26-year-old record for the heftiest bony fish ever measured

Certain compounds in our skin determine how much we attract mosquitoes, new research suggests—and those compounds don’t change much over time

Climate change may be leading to strange hostilities between different animal species over limited resources

The secret of whether your cat feels bonded to you lies in behavioral signals they would show to feline friends

No life on the moon; safe gas at home