The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the ...

Scientists using the James Webb Space Telescope have made a discovery which could overturn our basic assumptions about the universe.

The findings offer a crucial cross-check for previous Hubble Space Telescope measurements of the universe's mysterious ...

Astronomers can't agree how fast our cosmos is expanding. A new James Webb Space Telescope study has made the crisis even ...

The universe’s light-starved early epochs, as well as the first stars and galaxies, lie beyond the reach of conventional ...

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making ...

This image from the Hubble Space Telescope shows GAL-CLUS-022058s, a rare galaxy in the Fornax constellation, curving around its spherical companion. The Hubble eXtreme Deep Field (XDF) combines a ...

Astronomers have captured the first detailed images of a star beyond our Milky Way galaxy on the verge of a supernova. The star, WOH G64, is surrounded by an egg-shaped cocoon of gas and dust ...

CORRECTS LOCATION TO 56 MILES SOUTHWEST OF TUCSON NOT IN TUCSON This Dec. 14, 2023 image made available by NOIRLab shows meteors from the Geminid meteor shower streaking across the sky above the ...

New images of the sun captured by the Solar Orbiter mission showcase the highest-resolution views of our star’s visible surface ever seen, revealing sunspots and continuously moving charged gas ...