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

Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond our solar system. While the gas may be unpleasant on ...

Steven Spielberg returns to alien storytelling with Disclosure Day, a global thriller exploring what happens when humanity learns we are not alone.

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

This video reacts to the Kurzgesagt episode about aliens under the ice and the possibility of life on rogue planets drifting through space. It explains how frozen worlds hidden oceans and internal ...

Launched in 2019, the ESA mission will measure the size and density of hundreds of known exoplanets orbiting bright stars.