Striking images of bright “ red jellyfish ” appearing in the sky above storm clouds have sparked a wave of speculation online, with some social media users even floating theories about alien activity.
A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a familiar sea creature and more like a visitor from a science fiction epic.
Soviet-era UFO files released by journalist George Knapp detail Cold War sightings, including a 'jellyfish-shaped' craft, ...