Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

Astronomers have detected an enormous black hole-powered jet that stretches an astonishing 200,000 light-years, making it ...

Artist's impression of a supermassive black hole surrounded by gas and dust in four different wavelengths of light. Visible ...

A new form of black hole archeology, linking spin to gas and dust, has revealed that these cosmic titans spin faster than ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

"This is how you solve the universe-breaking problem." ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...

By combining data from NASA’s IRAS and NuSTAR telescopes, scientists have uncovered more hidden supermassive black holes than earlier estimates suggested. Their findings indicate that over a third of ...