Science Jun 15 Gravity waves, the sequel. LIGO detects second pair of crashing black holes The second confirmation of ripples in spacetime is announced by astronomers at the Laser Interferometer Gravitational-Wave Observatory (LIGO).
Science Mar 25 New tetraquark particle sparks doubts The Large Hadron Collider particle accelerator failed to confirm the Tevatron accelerator’s discovery of a new arrangement of quarks.
Science Feb 11 Gravitational waves discovered from colliding black holes Scientists with the Laser Interferometer Gravitational-Wave Observatory (LIGO) announced on Thursday at a much-anticipated press conference in Washington, D.C. that the more than half-century search for gravitational waves has finally succeeded.