It is one of the rarest atmospheric phenomena that occurs.Astronauts on board the International Space Station (ISS) have ...

These eye-catching phenomena have long puzzled skygazers and scientists—until two amateur astronomers made a very serendipitous discovery.

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

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 ...