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

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

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

Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, revolutionizing our knowledge of the Milky Way. Gaia made over three trillion ...

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

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

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 ...

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

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...

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 ...