"We found an unexpected chemical complexity, with abundances far higher than predicted by current theoretical models." ...

The NASA/ESA/CSA James Webb Space Telescope captured an amazing view of the planet Uranus, its rings and moons. Webb's ...

Webb telescope data confirm a supermassive black hole fleeing its galaxy, carving a 200,000 light-year wake of new stars.

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

Straight to the dome.

A team of researchers using the James Webb Space Telescope has produced the most detailed map of dark matter to date.

Planned launch of 500,000 satellites could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

JWST and ESA’s Ariel mission plan coordinated exoplanet observations starting in 2030, combining high-resolution targeting and large-scale surveys to expand atmospheric data collection.

James Webb Space Telescope (JWST) will provide insights far more precisely than ground telescopes can manage now, as the rock is too far away for most Earth-based instruments.

NASA said Tuesday the Hubble Space Telescope has revealed a dramatic interplay of light and shadow in what’s called the Egg Nebula.

Plans for several new military telescopes atop the mountain are drawing strong opposition. But protests over other Maui ...