While their presence is transient, these lights can impact long-distance electromagnetic disturbances in the sky's upper ...

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

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 ...

On March 13, 1997, a phenomenon known as the Phoenix Lights appeared in Arizona and baffled thousands of people. It eventually became the largest mass UFO sighting in United States history. Now, ...