The first black hole ever discovered is spewing ‘dancing jets’ at half the speed of light
More than 60 years after it was first spotted, Cygnus X-1 — the first confirmed black hole — is still full of surprises. Researchers have finally measured the energy output of this behemoth's "dancing jets," and the results could help answer wider questions about the extreme behavior of black holes…
bubmagApril 16, 2026