As four astronauts get set to blast off on humanity's first trip to the moon in more than half a century, comparisons between Apollo and NASA's new Artemis program are inevitable.

Apollo astronauts peed into roll-on cuffs and pooped into bags in the presence of their crewmates, but the Artemis 2 crew ...

Photos show the rocket and spacecraft that NASA will use to launch astronauts toward the moon for the first time in more than ...

Neptune is the solar system's most distant planet, a cold, blue ice giant sitting nearly 30 times further from the sun than Earth. At that remote distance, temperatures plunge to nearly minus 200 ...