Misconduct allegations are leading scientists to question the work of Ranga Dias, including his claimed discovery of a room-temperature superconductor.
Radio telescopes around the world picked up a telltale hum reverberating across the cosmos, most likely from supermassive black holes merging in the early universe.
Physicists have long explored how phenomena in groups of three can sow chaos. A new three-body problem, they warn, could lead to not only global races for new armaments but also thermonuclear war.