The James Webb Space Telescope's Mid-Infrared Instrument (MIRI) captured imagery of a pair of stars called Wolf-Rayet 140.

Astronomers analyzing data from the James Webb Space Telescope (JWST) have uncovered a population of tiny, energetic galaxies ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint ...

The James Webb Space Telescope has notched another milestone, capturing a direct image of one of the coldest and oldest known ...

Reaching nanometer precision in space isn’t just hard—it’s nearly impossible. But JWST’s flexure-driven actuators do it while ...

The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances ...

Astronomers studying rare star-forming galaxies reveal how the chaotic past of the universe may mirror the future of the ...

NASA’s James Webb Space Telescope has spotted an “abnormal, chaotic, and strange" planetary system 60 light-years from Earth.

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

JWST confirms Pluto’s haze cools its mesosphere and drives methane escape, coating Charon’s poles red. The haze absorbs UV light, heats the upper atmosphere, and re-radiates heat as infrared.

Inflation and budget issues are threatening to hobble NASA’s most in-demand telescopes.

Fresh James Webb Space Telescope images capture two young exoplanets in, providing new details about exoplanet atmospheres and formation.