but is simply the blue of the sky seen by reflection. When the heavens are overcast the water looks grey and leaden; and even when the clouding is partial, the sea appears grey under the clouds ...

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

Mesmerizing footage captured this blue spiral in the night sky in Croatia from a SpaceX Falcon 9 rocket. The phenomenon was likely caused by frozen fuel from the second stage of the launch and could ...

A mesmerizing blue spiral appeared over Europe, leaving people in awe. The stunning phenomenon was caused by a SpaceX rocket re-entry, creating a dazzling cosmic whirlpool. Social media lit up with ...

People across Europe spotted a mysterious blue blob floating in the night sky on Monday. Videos posted on social media showed ...