Even though humans have been looking at the night sky for millenia, not everyone sees the same sky. Not even the ...

A highly reflective lightsail pushed by light energy in the same way sailboats are pushed by the wind could travel as fast as ...

Alpha Centauri, the closest stellar system to our own, has long intrigued astronomers and stargazers. Located just 4.37 light-years away, Alpha Centauri is a binary star system made up of two main ...