By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

Astronomers used an array of telescopes to find the most massive radio jet in the early universe. The celestial object is ...

A cosmic filament, 3 million light-years long, has been directly imaged for the first time — offering a new glimpse into 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 ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

If scientists confirm an anisotropic expansion, it would challenge the assumption that the universe has no preferred directions.

(THE CONVERSATION) If you want to know what happened in the earliest years of the universe, you are going to need a very big, very specialized telescope. Much to the joy of astronomers and space fans ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...