Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

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

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

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

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

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

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Independent scientists described the findings as interesting, but not nearly enough to show the existence of life on another ...

In a stunning new finding, astronomers have uncovered the strongest evidence yet of life existing beyond our solar system. Using the James Webb Space Telescope, researchers from the University of ...