Add Yahoo as a preferred source to see more of our stories on Google. Earth isn't alone in orbiting our sun; it's joined by a bunch of planets, moons, asteroids, and comets that we collectively call ...

The solar system has always been fascinating for people. For years, people have been trying to understand the vast space that surrounds them. It is a very curious fact in general knowledge as it ...

The sun is expected to last another 5 billion years, at which point it will become unstable and transform into a red giant. | Credit: alexandarilich/Getty Images Our solar system has been around for 4 ...

Everything we know about the formation of solar systems might be wrong, says University of Florida astronomy professor Jian Ge and his postdoc, Bo Ma. They’ve discovered the first “binary-binary” – ...