Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

Sometimes the only way to meaningfully combat what frustrates you is to scream your head off with friends. On Jan. 15 at ...

Rats do not simply drift through vague, sleepy fog. Their brains light up with detailed replays of the day, from sprinting ...

Anna Devane has a rare blood cancer and her captors want to finish Faison's work. Is she being used as a lab rat on GH? The ...