If you cast your eyes toward the constellation Cygnus, you’ll be looking in the direction of the largest planet yet discovered around a double-star system. It’s too faint to see with the naked eye, ...

With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in our solar system. It’s eleven times larger than Earth, so big in fact that its gravitational forces are thought to be ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all by themselves, called rogue planets. While their ...

Data from the SMA shows that the disk is rotating around a star that is likely two to four times more massive than our own sun, Monsch said. Its discovery suggests there might be more giant disks out ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Chris Vaughan/Starry Night Jupiter will rise opposite the sun this weekend, making the ...