This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

Engineers are exploring propulsion methods that could enable longer-distance travel ...

Astrophysicist and artist Ed Belbruno explains how art helps scientists communicate their work to the public and even ...

NASA and Princeton scientists have unlocked a new energy source using Earth’s rotation. By harnessing its magnetic field, ...