The Hubble Space Telescope captured a stunning view of the bright Alpha Centauri A (on the left) and Alpha Centauri B (on the right). ESA/NASA Our nearest stellar neighbor, Alpha Centauri ...

How many other objects from our stellar neighbors could be visiting our solar system? The Alpha Centauri (AC) star system is our nearest stellar neighbor and consists of three stars: Alpha ...

But could humans or spacecraft ever reach Alpha Centauri, the closest star system to our planet? Alpha Centauri is about 4.4 ...

Breakthrough Starshot focuses on a tiny design with gigantic solar "wings" that would allow them to ride a beam of light to Alpha Centauri. However, for practical purposes, a probe that small will ...