NASA astronaut Butch Wilmore has captured an image of a blue jet sprite in the Earth's atmosphere, a rare phenomenon only ...

NASA's manned mission to Mars around the corner? The light appears red at higher altitudes and turns to blue at lower heights. For nearly a century, scientists have known that atmospheric sprites ...

The stream took place on NASA's official Twitch channel and featured ... particularly thunderstorms -- to get pictures of red sprites, which are luminous flashes that appear above active ...