NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday ...

A new AI model from the University of Bern predicts planetary systems likely to host Earth-like planets. It could boost the ...

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

It is rare to find brown dwarf stars orbiting in pairs, and this pair has an even more unusual exoplanet companion ...

That changed in 2006 when the International Astronomical Union declared that the faraway orb was a dwarf planet due to its location, known as the Trans-Neptunian region, according to NASA.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

"Polar orbit" means that instead of orbiting in the same plane as where the two stellar objects are located, the planet’s orbit is 90 degrees to that plane, as you can see in the image above. This ...

The event will be ten times brighter than our Moon in the night sky, but never fear, it won't happen for another 23 billion ...