Astronomers have traced two mysterious fast radio bursts from space to wildly different places, which suggests the phenomenon ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

In Earth’s upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

The latest eruption of Kilauea, one of the world’s most active volcanoes, is the fourth such episode that began on December 23.