"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...

Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

Traveling from one star to another is currently impossible to achieve within a human lifetime. But some projects are ...

Science fiction has delivered some of the scariest and strangest soundtracks in cinema history. Our classical music critic ...

Getting a spacecraft to another star is a monumental challenge. However, that doesn't stop people from working on it. The ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its own. The question is, where did it go?

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

Alpha Centauri is listed in Almagest, the star catalogue written by Ptolemy around A.D. 150. Although the star system was well documented in antiquity, it wasn’t until the late 1600s that astronomers ...

It’s unlikely that humans would ever be able to live on Proxima Centauri B without special shelter for protection. Still, many people hold out hope for signs of life from the Alpha Centauri system.

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