The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, ...

For years, astronomers have searched the cosmos for planets capable of supporting life. Most efforts focus on the "habitable zone," the region around a star where a planet could have liquid water. But ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...