Birds that migrate the longest distances may actually be smarter.
Humans may be speeding up the process of evolution.
It may be in the benefit of a young male western bluebird and his parents' lifespan for him to stick around with his for another year in their nest before building his own, according to recent findings published in the journal Behavioral Ecology.
A new species of blue-tailed monitor lizard was discovered in Papua New Guinea, having taken the top spot in the food chain on the relatively remote island of Mussau.
While sharks are often characterized as being terrors of the deep, they aren't nearly as fearsome as their reputation states. Scientists have found that reef sharks prefer prey that's bite-sized-which is about as small as a cheeseburger.
Researchers have uncovered a prehistoric fish that once possessed a hook-shaped sail on its back.
The dodo bird may have been more intelligent than previously thought. Scientists have found that the overall size of the dodo's brain in relation to its body size was on par with its closest living relatives: pigeons.
Scientists have discovered a new genus and two new species of extinct kangaroos that couldn't do what their contemporaries can: hop. However, the new species may have actually been ancestral to all kangaroos and wallabies living today.
Antarctic ice may be far more vulnerable to climate change than anyone expected.
Climate change may be threatening nearly all U.S. forests with drought. Scientists have found that forests nationwide are experiencing drier conditions due to increasing drought and climate change.
The mysterious, armored and extinct glyptodonts were actually giant armadillos.