Defense giants and startups vie to create orbital defenses—even as the program’s czar concedes they may be unaffordable.

As NASA’s Artemis program advances following its first crewed mission to the moon April 10, former astronaut Bonnie Dunbar ...

More delays could be coming. The post Jeff Bezos’ Botched Space Launch Was So Bad It Could Threaten NASA’s Entire Moon ...

NASA announced ambitious long-range plans Tuesday to spend $20 billion over the next seven years to build a moon base near the lunar south pole featuring habitats, pressurized rovers and nuclear power ...

Decades ago, there was an Apollo Generation of children who came of age during the era of the lunar landing. NASA hopes to ...

Sixteen years and billions of dollars later, the Pentagon just canceled its long-delayed next-gen GPS control system after ...

But Kennedy sold the space program instrumentally as well, in a more familiar politician’s register. Sometimes he used the strategic language of the Cold War, promising to achieve “a position of ...

When Apollo 13 looped around the Moon in April 1970, more than 40 million people around the world watched the United States ...

The Artemis II mission is a triumph of the American spirit — and a testament to California’s enduring leadership in the US space program. Californians played a key role in every aspect of of the ...

Almost seven decades of humans in space, plus over 25 years of continuous habitation, have shown us how incredibly adaptable ...