Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. - NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb Space ...

Jupiter’s moon Europa has long looked like a frozen cue ball, its bright shell of ice hiding a global ocean that many astrobiologists see as one of the most promising places for life beyond Earth. New ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

NASA’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system has air, even though it orbits precariously close to its star. The exoplanet, ...