Broadcast: More evidence of supermassive black hole (in our galaxy)
The discovery of a star closely orbiting the center of our galaxy offers additional proof that there's a supermassive black hole lurking there.
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.