Sometimes, one simple picture can tell you more about history than any story you might read or any document you might analyze.
Via NASA The Difference Between Black & White Holes:
Hola: Una infografía sobre Alan Turing. Un saludo Alan Turing of Manchester, by Jurys Inn Manchester Hotel
Solar System Planets and Dwarf Planets Infographic
The Earth as seen from Mars. woah
Einstein's general theory of relativity suggests, among other things, that masses in space distort the geometry of space-time. In addition, moving objects emit waves of gravitational radiation that carry energy away into space.
What really happened right after the Big Bang? Official Scientific Version: http://ssscott.tripod.com/BigBang.html
The Science of 'Interstellar': Black Holes, Wormholes and Space Travel