If you think it’s hard to be in a stable orbit around one star, think of how hard it must be to maintain an orbit around two. Binary star systems are the most common type of star system we have found.

Kepler-47 is a 3.5-billion-year-old star system about 3,340 light years away from Earth. It's one of nine systems that we know of that are "binary star systems," which means it has not one star at its ...

Imagine a world with two different Suns in the sky, similar to Luke Skywalker’s home desert planet Tatooine in “Star Wars.” Such a world exists, as NASA announced in September 2011. But now, NASA has ...

Meet Kepler-47d, a puffy planet that lies 3,340 light-years from Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The only known ...

The discovery of the first alien planet with two suns — like the "Star Wars" world Tatooine — residing in its parent star's habitable zone is good news for the search for life beyond Earth, scientists ...

Oh, this is too cool: scientists have found a planet orbiting a binary star (a pair of stars in tight orbit around each other) that is at the right distance to have liquid water! Let me be clear: this ...