What attribute do birds need to live in harsh, unpredictable climates?
Scientists are studying the neurological differences between adult and adolescent worms.
Pollution containing synthetic estrogen can have a negative impact on animals and people.
Despite their obvious differences, humans and moose share a common, painful ailment.
What was nearly five feet tall, gray and rust colored and ate fish?
The long incubation period for dinosaurs may have contributed to their extinction.
Surprises prompt babies to test the rules they've already learned about the world.
An ancient machine was recovered by divers off the coast of Antikythera.
Why are some mountain lakes so beautiful? Thank a glacier.