Just over four light-years away, the Alpha Centauri system holds the closest worlds beyond our own that might support life.

Add Yahoo as a preferred source to see more of our stories on Google. This jet streaming out of a supermassive black hole is traveling at nearly the speed of light. Superman may fly faster than a ...

Radio image of Porphyrion. (Martijn Oei, Caltech/LOFAR Collaboration) There are plenty of mind-bendingly large structures in ...

Even if they were dozens of light-years away, two colliding neutron stars could create a powerful enough explosion to wipe out life on Earth. At least, that’s according to a recent paper published in ...

Astronomers discovered a planet 25 light-years away that orbits within the habitable zone of its star that could potentially ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If the universe is 13.6 billion years old, how can ...

Mars is apparently not the only planet on our radar capable of sustaining life. UK researchers have confirmed the existence of a “super-Earth” located 20 light-years away that could reveal the ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

In Hubble pictures taken just months apart of V838 Monocerotis, the dust ring around this star grows by several light-years during that time, called a “light echo.” How can something grow by 5 ...