An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...

It's not easy to uncover exoplanets, largely lightless objects that either lurk in the dark void of space or are blown out by the light of a nearby star. But astronomers using the James Webb Space ...

I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system.

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday ...

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

(CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting Barnard’s Star, the nearest single star system to Earth. The four planets are ...