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 ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...

Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by ...

Issues delivered straight to your door "I expect Gaia's best results are still to come." ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

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

Sagittarius A* is the supermassive black hole at the center of the Milky Way. As supermassive black holes go, it is fairly ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...