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 ...

A lot of things in space are so big that they make you scratch your head and go "Uh?" – chiefly among them are the Giant ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

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 ...

Discover the stunning beauty of star clusters in vibrant red hues, captured by NASA’s James Webb Space Telescope. These ...

The operation removed a tumour from the cavernous sinus, a difficult-to-reach space beneath the brain and behind the eyes.

The size and spin of black holes can reveal how and where they were born, and gravitational waves offer a way to decode this ...

They provide striking architecture in the landscape and gorgeous color throughout the year, from yellow winter blooms to ...

Step off the plane in Hong Kong and you'll feel it instantly - a city where East meets West in ways you won't find anywhere ...

All that changed on January 15, when the effects of a continuing Israeli military campaign in southern Syria reached the small community.The farmer and livestock rearer, 74, was killed in an Israeli ...