As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Earth's moon is a treasure trove of resources. Space agencies around the world are planning missions to access and use lunar volatiles, which include hydrogen, water, helium, carbon dioxide, and ...

Watch a prototype of NASA's Volatiles Investigating Polar Exploration Rover, (VIPER) roll down a ramp to simulate its deployment on the lunar surface. Credit: NASA ...

SpaceX's next mission to the moon, and the next launch of its triple-booster Falcon Heavy rocket, has slipped to no earlier ...