Researchers have developed a new coronagraph—an optical device that blocks out light from a bright source—that could make it ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

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 ...

Astronomers have detected possible chemical signs of life on a faraway planet. But they caution much more work is needed to confirm their findings.

Thanks to NASA's powerful James Webb Space Telescope, astronomers have found the best evidence yet of life on another world outside our solar system.

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

Scientists detect potential biosignatures on exoplanet K2-18b, marking what researchers call the "strongest evidence" yet of life.

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

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

But all those scenarios would apply only if ... But to truly colonize other worlds – whether the Moon, Mars or a planet outside our solar system – this grim scenario will require planning ...