Artemis 2 is gearing up for a critical engine burn this evening (April 2), which will send the mission's four astronauts on a looping journey around the moon.

Comet MAPS is about to face its ultimate test as it sweeps just 101,000 miles above the sun's surface.

Scientists successfully transported a minute quantity of antimatter for the first time, opening up new possibilities for the study of the world’s most expensive substance.