K2-18b is a little over 120 light-years from Earth — on a galactic scale, this world is practically in our backyard.

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

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about ...

Astronomers believe they’ve discovered a "Tatooine"-like planet orbiting two stars in a galaxy far, far away. The planet is ...

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the ...

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

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...