One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Centauri A and Alpha Centauri B – they are now the “best known” stars. This has also allowed a unique and very detailed comparison between “real nature” and current stellar theory for solar-type stars ...

The detection of a large interstellar object in 2017 named 'Oumuamua was a landmark discovery. Figuring out where the wayward ...

A giant planet may be orbiting the nearest Sun-like star to Earth, and the discovery is sparking excitement across the astronomy world. Using the James Webb Space Telescope, researchers have detected ...

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our solar system — and even producing a few meteors in our sky. Located just 4.3 light-years from ...

Visiting our nearest stellar neighbor will take near-light-speed travel. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our space-exploration ...

With the Webb Space Telescope on the brink of releasing its first full-color images and data, Jet Propulsion Laboratory astronomer Charles Beichman and his team are about to take a chance on a ...