Hubble captures largest Andromeda galaxy photomosaic 200 million stars revealed in Andromeda’s stunning image Insights into Andromeda's mergers and star-forming history ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

A cosmic object spotted by the James Webb Space Telescope has flummoxed astronomers. Now, a research team has studied ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Scientists on Wednesday announced the discovery of the oldest black hole ever seen, a 13-billion-year-old object that's ...