By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

NASA’s SPHEREx space telescope has settled into low-Earth orbit, providing a wellspring of publicly available space data.

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0 ...

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...