‘Black widow’ pulsars consume their mates
With a deadly embrace, ‘spidery’ pulsars devour their partners. One such pulsar is the first rapidly spinning black widow to be discovered using only gamma rays.
In 2023, the ALICE experiment was ready for their best year yet, until a mysterious signal threatened everything. As the LHC wraps up its 2025 lead-ion run, physicists recall how they worked together to solve the puzzle.