The Archimedes screw mechanism, an ancient Greek invention still used today . Credit: Kuroczynski, Wikimedia Commons, CC-BY-SA-4.0 Have you ever wondered how ancient civilizations moved water uphill ...

0:36 Glowing spiral floats through U.K. night sky People across Europe witnessed a mysterious glowing blue spiral in the night sky this week, and scientists say they think they know what caused ...

Astrophysicist Dr. Paul Sutter spoke with NBC News' Gadi Schwartz on the spectacular atmospheric event that a SpaceX rocket created over the European sky. March 26, 2025 ...

A large, bright blue spiral spotted over Europe on Monday night sparked chatter on social media about what might have caused the mysterious vortex. Videos posted on X showed a blue orb in the ...

The rocket’s frozen exhaust plume appears to be spinning in the atmosphere and reflecting the sunlight, causing it to appear as a spiral in the sky” Although some people at first thought the ...

A blue and white spiral in the night sky is seen from Sweden. (Bertrand Ilhe / AFP via Getty Images) ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.

Several Brits spotted a mysterious light blue spiral in the sky on Monday night. The strange phenomenon was seen around 8.00pm, raising speculation as to what it might be caused by. The spiral was ...

Time-lapse video taken from Croatia at around 4 p.m. EST, or 9 p.m. local time, shows the glowing light spinning across the sky in what many social media commentators likened to a spiral galaxy.

A large glowing spiral visible in the night sky on Monday is believed to have been caused by a SpaceX rocket launch in the US. The Met Office said the shape was likely produced by a frozen plume ...

TAMPA, Fla. (WFLA) — Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky. Images and videos posted to social media showed ...

As it zoomed across the sky to reach space, it produced a mesmerizing blue spiral that left many Europeans scratching their heads. The video at the top of this story was recorded in Joze, central ...