Tropical Depression Three forms in the Atlantic. Here's where it's going. Six Flags may close nearly 50-year-old California ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

"Those people you hear screaming are on the river right now," a first responder told one woman as they went door-to-door ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...