Watch as this dog proves to be a genius at work in this fun clip. Enormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 years Partial ...

Do you change your voice when you talk to your pets? Are you pitching up your tone and resorting to "baby talk" when you're trying to get your dog's attention? While it might seem silly, a study from ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...