Milky Way–Andromeda Collision Is in Doubt, North Atlantic Ocean Heat Surged, and Worms Build Towers

Turns out, the long-predicted cosmic smash-up between our Milky Way and the Andromeda galaxy might not be as inevitable as we thought—scientists are re-evaluating the timeline (or if it’ll even happen). Meanwhile, the North Atlantic Ocean is cooking at record-breaking temps, which spells trouble for weather patterns. On the lighter side, researchers are baffled by worms that construct eerie, living towers, and there’s a weird new exoplanet defying expectations by orbiting a puny star.