Scientists know of over a dozen planets that orbit twin stars like the fictional "Star Wars" desert planet Tatooine. More ...

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

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

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

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 ...

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

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...