The "city killer" asteroid 2024 YR4 won't hit Earth or the moon when it whizzes by in 2032, the latest James Webb Space Telescope observations confirm.

New images from the NASA/ESA Hubble Space Telescope and ESA’s Euclid mission have revealed the complex, multi-shell structure ...

The James Webb Space Telescope captured a stunning spiral galaxy 65 million light-years away, revealing glowing dust clouds and stellar nurseries.

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Astronomers have spotted a galaxy so faint, it’s almost invisible — a discovery that could help illuminate one of the most ...

Astronomers using the James Webb Space Telescope have spotted the most distant “jellyfish galaxy” ever seen — a cosmic oddity streaming long, tentacle-like trails of gas and newborn stars as it speeds ...

Astronomers used Webb to find the star behind supernova 2025pht, revealing how thick dust can hide massive red supergiants.

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades. The shock result is reigniting the search for a better cosmic story ...

March 2, 2026 - WASHINGTON — The U.S. Postal Service has released new Priority Mail and Priority Mail Express stamps featuring breathtaking images captured by the National Aeronautics and Space ...

Astronomers use telescopes to look back in time and observe stars and galaxies as they were millions and billions of years ...

There have been plenty of attempts to resolve the "Hubble Tension" in cosmology. This feature describes how one of the most important variables in cosmology, the expansion of the universe, takes on ...

A closer look at the Lambda Cold Dark Matter model, its core components, supporting evidence, and why new observations are ...