Amateur astrophotographer Greg Meyer has captured a colorful view of the Rho Ophiuchi star-forming region alongside Messier 4 ...

An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

Spotted thanks to a fleeting light distortion in 2011, a mysterious duo — a tiny star and its hefty companion — has turned ...

Before the Empire finished the Death Star, its lies destroyed societies. We're living through our version of that.

NASA engineers have revived old thrusters on Voyager 1 to prevent a clog from endangering the mission during a planned ...

"A satellite on a polar orbit around the Earth is one that would pass over the ... like the fictional one in "Star Wars." The view by an observer from this planet, however, would be unlike the one ...

SpaceX CEO Elon Musk shares his vision for life on Mars in an exclusive interview on 'Jesse Watters Primetime.' ...