More than 60 years after astronomers first detected its X-ray glow, Cygnus X-1 — the first black hole ever confirmed — is ...

The jets do not move in a straight, obedient line. Around Cygnus X-1, a black hole and a massive supergiant star circle each ...

For 18 years, radio telescopes scattered across the globe have been watching a black hole’s jets sway like a fire hose in a ...

Astronomers have accurately measured the "dancing" energy jets of the first confirmed black hole, Cygnus X-1, more than 60 ...

Hole-y guacamole. Scientists have quantified the energy produced by the first black hole ever discovered, revealing that it ...

New observations reveal how black hole jets behave under pressure, offering a crucial benchmark for understanding their role ...

New research reveals that winds from companion stars can significantly influence the behavior of black hole jets. The study, ...

Cygnus X-1, the first confirmed black hole, is releasing energy equivalent to 10,000 Suns. This discovery supports theories ...

Astronomers have measured the power of jets from a black hole for the first time, offering fresh insight into how these ...

CAPE CANAVERAL, Fla. (AP) — For the first time, scientists have measured the instantaneous mind-blowing power of jets ...

New observations have shown that Cygnus X-1, the first black hole ever discovered, is much more massive than previously estimated. By making a more precise measurement of its distance from the Earth, ...

Since its discovery 45 years ago, Cygnus X-1 has been one of the most intensively studied cosmic X-ray sources. About a decade after its discovery, Cygnus X-1 secured a place in the history of ...