Scientists see this as a much more favorable alternative to nuclear deflection, which would use a powerful nuclear bomb to ...

ALBUQUERQUE, N.M. — Roughly 12,550 miles above Earth, a constellation of U.S. global positioning satellites orbits the planet. GPS satellites also carry a sophisticated system designed to detect above ...

The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...