Do you wonder how astronomers find all those exoplanets orbiting stars in distant solar systems? Mostly they use the transit…
Earth's magnetic poles drift over time. This is something that every airplane pilot or navigator knows. They have to account…
A handful of spacecraft have used ion engines to reach their destinations, but none have been as powerful as the…
A new study from a team of British and French physicists presents a concept for plasma thrusters that are both…
After facing down a couple of delays due to technical difficulties, Europe's and Japan's first Mercury orbiter is entering some…