Spinning 390 times a second, the "black widow" pulsar PSR J1311−3430 periodically swings its radio (green) and gamma-ray (magenta) beams past Earth in this amazing space wallpaper. The pulsar heats ...

I will continue to be fascinated by deleted scenes. More often than not, they’re scenes that were rightfully left on the cutting room floor, not because they’re bad, but because they simply don’t add ...