After seven years in orbit, NASA’s Gravity Probe B satellite confirmed two of the most important theories of how Earth’s gravity and rotation affect...
After seven years in orbit, NASA’s Gravity Probe B satellite confirmed two of the most important theories of how Earth’s gravity and rotation affect space.
Since the dawn of humankind, people have dreamed of visiting other star systems, but the distance to even the nearest star is too vast for today’s spaceships. What is science doing about it?