Speeding around the Earth at 28,000 km/h, NASA astronaut Nichole Ayers captured an incredible view of a phenomenon known as a red sprite. Here's the science behind this 'transient luminous event'.

An astronaut aboard the International Space Station (ISS) has snapped a picture of a rare and spectacular atmospheric phenomenon. NASA astronaut Matthew Dominick captured a form of lightning known as ...

Thunderstorms are known for their thunder and lightning, and can also be associated with winds and damaging hail. However, there is an additional feature that occasionally appears at the top of ...

Mysterious red lights falling from space, initially thought to be alien signals, have been identified by scientists as red sprites. These rare upper-atmosphere lightning phenomena occur high above ...