However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

Galaxy M83. An optical image of M83. ©2025 ESO CC-BY-ND Researchers discover high-velocity clouds in the nearby spiral galaxy ...

Dark matter is one of the biggest mysteries in the universe. The invisible force making up for 95% of the universe might have been found in frozen light.

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

But axions were pushed aside as the WIMPs hypothesis gained more steam. Back-of-the-envelope calculations showed that the ...

Scenes of nebulas in the Milky Way, a cluster of galaxies and thousands of new asteroids are a teaser of how the U.S.-funded ...

Perched atop Cerro Pachón in Chile, the newly-commissioned Vera C. Rubin Observatory has released some highly exciting first ...

The new Vera C Rubin Observatory in Chile will transform astronomy with its extraordinary ability to map the universe in ...

The James Webb Space Telescope is only three years into operations, yet it keeps slipping the cosmic rug out from under ...

Researchers discover high-velocity clouds in the nearby spiral galaxy M83. These clouds are moving at speeds significantly ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...