The world is entering its second age of exploration, this one in outer space. But there’s one big question: Will America get left behind? In the 21st century, America has seen enormous technological ...

SpaceX's lunar lander, the Starship Human Landing System, could be delayed for years. This puts a manned lunar mission planned for 2027 in doubt.

NASA on Monday introduced the 10 people who will join the agency’s astronaut corps as it races to return humans to the moon.

HOUSTON — NASA has introduced its new class of astronaut candidates, some of whom may be among the first people to set foot ...