The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...

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

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes what we know about the early universe.

Surprisingly, the black hole driving this colossal jet is modest by quasar standards, weighing 450 million times the mass of ...

Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

Scientists have discovered that some supermassive black holes rotate much more rapidly than expected. The discovery came as ...

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

According to the organization, the fish is a so-called “black seadevil” known by its scientific name Melanocetus johnsonii. They typically swim between 650 and 6,500 feet below the ocean’s surface.

The jets extending from these blazars can extend millions of light-years in length. Black holes are among the most mysterious cosmic objects, much studied but not fully understood. In pursuit of ...

Astronomers have discovered a radio jet twice the width of the entire Milky Way.The Latest Tech News, Delivered to Your Inbox ...

Scientists used changes in the supermassive black hole M87*'s accretion disk to infer its orientation, size and turbulence ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...