For the first time, JWST has “weighed” a galaxy that not only formed about 600 million years after the Big Bang, but also has ...

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

The odds of us finding extraterrestrial life anytime soon are pretty slim. But if there's anything that can deliver us a sign ...

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 ...

"If trying to explain how three super puffs formed in one system wasn’t challenging enough, now we have to explain a fourth ...

By reverse-engineering James Webb Space Telescope (JWST) exoplanet data, a team of astronomers just spotted dozens of tiny ...

Scientists using the powerful James Webb Space Telescope sought to observe a planet beyond our solar system (an exoplanet) ...

Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists ...

Future space telescopes are being designed for easier servicing, focusing on overcoming challenges such as remote locations and limited fuel. New methods include safe proximity operations and efficien ...

Astronomers using the James Webb Space Telescope report the discovery of a planet orbiting within the habitable zone of ...

In “Pillars of Creation,” Richard Panek shows how the James Webb Space Telescope is altering our view of the cosmos ...

The James Webb Space Telescope was launched on Christmas Day, 2021. In January, it arrived at what is planned to be its permanent, high-orbit location about 930,000 miles from Earth. Quickly ...