We've all heard the phrase "dog is man's best friend." But how did dogs get to be so friendly with humans?
Unlike their contemporaries the dinosaurs, crocodiles managed to survive whatever killed off their Jurassic cousins. So what accounts for their longevity?
I have an insect question. What's the biggest spider ever?
Dear A Moment of Science, Besides chimps, which animals do you think are the most like people?
How do you think a baby's heart rate compares to adults?
I know that gorillas and chimpanzees can learn sign language and use it to communicate. But can other animals use sign language, too?
A phenomenon called colony collapse disorder occurs when worker honeybees abruptly disappear from a beehive. Both beekeepers and scientists are worried.
The discovery of a strange virus living in a hot, acidic lake may hold the answer to the evolution of DNA as today's most common genetic molecule.
Pirate fish are not only ravenous predators, they appear to be masters of deception.
Did you know we might be born with our own gut bacteria?