A Spirit Airlines airplane flying through blue sky and clouds. The expansion is part of Spirit’s restructuring. Spirit is ...

UFO sightings in 1966 in Michigan led to the "swamp gas" explanation. People continue to report unidentified aerial phenomena as recently as March 25.

Lots of unidentified flying objects turn out to be weather balloons, clouds, or planes, but there are definitely sightings ...

A mysterious blue spiral took over the skies in Europe on March 25, bringing alive conspiracy theory lovers. Pictures that ...

Astrophysicist Dr. Paul Sutter spoke with NBC News' Gadi Schwartz on the spectacular atmospheric event that a SpaceX rocket ...

A fuel dump by a SpaceX rocket caused a spectacular blue spiral above Western Europe on Monday, March 24. Here are the best ...

A conspiracy theory that claims the US government is controlling the weather, or its citizens, by spraying dangerous ...

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people ...

Stargazers across Europe saw a strange and mysterious blue spiral in the night sky that was likely caused by a SpaceX Falcon 9 rocket's launch.

Monday night space show. On Monday night Arta residents of Artà were stunned by a blue spiral in the sky, an amazing image that could also be seen from other parts of the world such as the United ...

The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 ...

Find out what caused the bright spiral in the sky last night (March 24) as many captured the SpaceX celestial display in the UK ...