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 ...

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 ...

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

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

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

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

Finding evidence of life in the cosmos is the “holy grail” of exoplanet science, one of the scientists said, but there is ...