Alien Megastructures? Cosmic Thumbprint? Here's What's Behind This Spectacular James Webb Image

In July, a puzzling new image of a distant extreme star system surrounded by surreal concentric geometric rings had even astronomers scratching their heads. The picture, which looks like a kind of "cosmic thumbprint," came from the James Webb Space Telescope, NASA's newest flagship observatory. The internet immediately lit up with theories and speculation. Some […]