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 ...

In a groundbreaking new study, researchers have unveiled the existence of a “cosmic highway”—a pathway of interstellar material from the Alpha Centauri system that may already be linking our solar ...

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 ...

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 ...

A study published Aug. 11 in The Astrophysical Journal Letters revealed the potential discovery of a Saturn -size gas giant, dubbed S1, orbiting Alpha Centauri A — one of three stars that make up the ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...

The blockbuster film Avatar featured a planet imagined to be circling Alpha Centauri B, the star closest to our sun. Now astronomers have discovered there really might be a system of planets there.

Engineers have designed a spacecraft that could take up to 2,400 people on a one-way trip to Alpha Centauri, the star system closest to our own. The craft, called Chrysalis, could make the 25 trillion ...

With current rocket propulsion technology, it would take tens or hundreds of millennia to reach our neighboring star system, ...

A team of engineers has come up with designs of a 36-mile spacecraft, dubbed Chrysalis, designed to carry up to 2,400 passengers to Alpha Centauri, the closest star system to our own. Unsurprisingly, ...