Life
- Fossils
Flight without sonar
An ancient bat fossil suggests that bats were flying before they were echolocating.
- Fossils
Tiny pterodactyl
Scientists working in China have found the remains of the smallest pterodactyl ever known.
- Animals
The other side of the zoo fence
Zoo designers work hard to make exhibits safe and enjoyable—for people as well as animals.
- Animals
Cool penguins
Climate change and warmer waters could threaten the survival of king penguins.
- Animals
Hearing whales
At least one type of whale hears by using its jaw and throat to bring sound to its ears.
- Animals
Why cats nap and whales snooze
Animals need sleep and sometimes achieve it under what we'd consider extraordinary conditions.
- Animals
New elephant-shrew
Researchers have discovered a species of elephant-shrew that is entirely new to science.
- Animals
The secret lives of grizzlies
By studying grizzlies in captivity, scientists are gaining insights into how bears—and their hearts—tick.
- Animals
Monkey math
Monkeys can estimate sums almost as quickly as people can. The finding provides insight into how math skills developed in the human brain.
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- Animals
Primate memory showdown
Are chimpanzees or people better at remembering numbers? Read on to find out.
