Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...

The James Webb Space Telescope (JWST) continues to transform our understanding of the universe. By combining its advanced ...

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

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

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

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

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky Way and is about the ...