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

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the ...

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

Night sky tonight! "Flares are expected to happen in essentially all supermassive black holes, but our black hole is unique." ...

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 ...

New observations using NASA's James Webb Space Telescope (JWST) reveal a "unique" ongoing, rapid-fire light show at the ...

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

The supermassive black hole at the center of the Milky Way appears to be having a party—and it is weird, wild and wonderful.

Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...

Astrophysicists used the JWST to observe central supermassive black hole for 48 hours total across one year. They found the ...

While reviewing a survey of the sky taken in 2019, astronomers using the Hubble Space Telescope spotted LEDA 1313424. The […] ...

These glass plates recorded images of the night sky ... galaxies were all moving away from the Milky Way. Hubble's results suggested the farther away a galaxy was, the faster it was moving away ...