Astronomers using the James Webb Space Telescope have spied dynamic flares of light near the supermassive black hole at the ...

A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

Astronomers have spotted displays of flashing lights and “fireworks” near a supermassive black hole at the center of the ...

"Have you ever flipped through old photo albums and suddenly found something fascinating hidden in the background of a ...

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

Have you ever looked at the beach and wondered how many grains of sand there are? That can be mind-boggling to think about. Scientists estimate that, depending on the grain size and density, a single ...

Cosmologists have recently announced the discovery of the largest and most massive structure discovered to date in the ...

Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...