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 ...

Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

Crucial to all life on Earth, the 15th element of phosphorus remains a real puzzle for astronomers. Specialized space ...

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

One of the most extensively studied stellar streams within the galactic halo of the Milky Way is the GD-1 stellar […] The ...

A team of astronomers led by University of Arizona researcher Catherine Fielder captured the most precise photographs of a ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

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

A team of astronomers led by University of Arizona researcher Catherine Fielder has obtained the most detailed images of a small galaxy and its ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...