A possible new "jellyfish" galaxy discovered by the James Webb Space Telescope could deepen our understanding of galaxy evolution and star formation.

A new study lends support to the notion that JuMBOs (Jupiter-mass binary objects) discovered by the James Webb Space Telescope in 2023 may be fiction rather than fact.

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

The James Webb Space Telescope has revealed dozens of tiny, distant galaxies piercing the fog of the cosmic dark age in the first billion years after the Big Bang.

The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances of hitting the moon in December 2032 have increased to 4.3%.

A pair of new studies has revealed that the hellish skies of exoplanet WASP-121b contain silicon monoxide gas, which has never been found in any planetary atmosphere to date.

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered to young planets beyond our solar system.

Scientists looked at Jupiter's massive auroras using the James Webb and Hubble Space Telescopes — and found a mystery they can't fully explain.

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously feeding black holes and bursts of starbirth.