Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

The James Webb Space Telescope has captured amazing new imagery of Uranus along with its rings and moons. The footage shows the moons Titania, Miranda, Ariel, Umbriel and Puck. Credit; Space.com | ...

New research reveals how quiet galactic engines can help shape entire galaxies.

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

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.

The James Webb Space Telescope (JWST) was designed to look back in time and study galaxies that existed shortly after the Big ...

Deep inside a nearby galaxy cloaked in thick clouds of gas and dust, astronomers have uncovered a surprising treasure trove ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.

The James Webb Space Telescope (JWST) will have narrow viewing windows on February 18 and 26 to gather crucial data on the ...