In parts of India and Southeast Asia, tigers occasionally kill young Asian elephants. Adults are generally safe from the ...

While not a clinical diagnosis, experts say it’s an accurate description of a cluster of symptoms that often appears in aging ...

Every animal with a brain needs sleep - and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

Evolution is slow, but with the right experimental set-up—and enough time to spare—you can watch nature do its methodical ...

In Florida, manatees are best known as shy, gentle giants. But about once a year, the state’s beloved sea cows reveal ...