One hundred years ago today, on May 29, 1919, measurements of a solar eclipse offered verification for Einstein’s theory of general relativity. Even before
Prepare to jump to light speed: Inside the mission to go
Will we ever… travel faster than the speed of light?
How long does it take sunlight to reach the Earth?
Close calls: How many asteroids have narrowly missed Earth?
Would you really age more slowly on a spaceship at close to light
Observing the universe with a camera traveling near the speed of light
What If You Could Travel at the Speed of Light
How Do We Know We Have The Speed Of Light Correct?
God Speed: NASA showcases conceptual engine to propel rockets