Researchers warn that clusters within the Taurid meteor stream could raise Earth’s impact risk in the 2030s. Planetary defense experts are working to detect, model, and counter these potential cosmic threats. Credit: Shutterstock Each fall, the Taurid meteor shower brightens the night sky from late October through early November. Known as the "Halloween fireballs," the meteors are named for the constellation Taurus (the bull), where they appear to originate. The best views come from dark-sky