The James Webb Space Telescope captured massive galaxy cluster RX J2129. located about 3.2 billion light-years away. A ‘supernova-hosting galaxy’ can be seen three times, at 3 different points in time ...

A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...

Astronomers using the James Webb Space Telescope have made significant discoveries within the Spiderweb protocluster, ...

JWST measured the distances between stars and galaxies in universe, which confirmed earlier measurements made by the Hubble ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

New observations from the James Webb Space Telescope suggest that a new feature in the universe -- not a flaw in telescope measurements -- may be behind the decade-long mystery of why the universe is ...

This month marks three years since the James Webb Space Telescope was first launched, which still feels something like a ...

There is something missing in our understanding of the Universe to explain its expansion, known as dark energy, that began after the Big Bang, according to a new study using James Webb Space Telescope ...

NASA’s James Webb Telescope revealed stunning images of Sombrero Galaxy, Arp 107, and JADES transients, showcasing star ...

NASA astronaut Don Pettit imaged the Large and Small Magellanic Clouds as the International Space Station cruised 260 miles ...

James Webb's latest capture of the Sombrero galaxy reveals intricate details of its dust distribution and minimal star ...

This week, uncover the challenges faced by Voyager 1, meet flower-licking wolves, see an unexpected ancient lifesaving tool, ...