Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and ...

If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

Scientists may have found a new Tatooine-like planet outside the solar system that orbits two failed stars. NEW YORK (AP) — A ...

A new study suggests we could be a step closer to figuring out if alien life is out there, trillions of miles away from Earth ...