Scientists say bottlenose dolphins in Australia that wear sponges on their beaks provide evidence for culture that's passed from mother to daughter.

Wolves and moose on a Lake Superior island are locked in a system of abundance and decline. Now experts are uncovering the role of ticks in this interplay.

Everyone knows the Star Wars galaxy is located "far, far away." But how realistic are the alien worlds described in the science fiction saga?

After almost two years of debate, scientists agree that NASA's Voyager 1 spacecraft has entered the outer edge of our solar system.

Scientists have found a way to tell a dinosaur's gender after studying the fossils of a T. rex. The discovery may further link dinosaurs to birds.

Experts say this year's Atlantic hurricane season, now officially underway, will be active, with a high probability that a major storm will hit the U.S.

Famous for their extreme sizes and very long necks, sauropod dinosaurs had an uncharacteristically short-necked cousin, a new fossil find suggests.

Meteorologist Chris Landsea analyzes old storm records to help improve the accuracy of hurricane forecasts.

Andromeda, our closest galactic neighbor, is three times larger than previously thought, scientists say.

A U.S. nonprofit plans to launch the world's first solar-sail-powered spacecraft on Tuesday. In theory, the vehicle is capable of continuous acceleration, project scientists say.

Advances in x-ray astronomy are helping to solve some enduring mysteries about black holes, scientists say.

Some scientists say that the same lunar tugging that causes Earth's tides may trigger earthquakes.

Flying whales, flesh-dissolving tadpoles, and other beasts abound in a National Geographic Channel special that asks, What would aliens really be like?

Californians can now check the Internet for their daily color-coded earthquake forecast.

At Russia's Pleistocene Park, scientists are re-creating an Ice Age landscape by reintroducing plants and animals that once thrived in the region.