At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

One of the most famous and beautiful cosmic sights shows its colors in this new image from the Hubble Space Telescope. The Veil Nebula is the remnant of a massive star which exploded in a supernova 10 ...

The latest discovery marks the first-ever "compelling clue" that a black hole may be present in the enigmatic galaxy, ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

The James Webb Space Telescope has investigated an exoplanet that’s super cool — literally. The huge planet, which is six times the mass of Jupiter, is the coldest exoplanet ever detected, with an ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Scientists using JWST have identified WD 1856+534 b—the coldest exoplanet yet—circling a dead star, revealing surprising ...

Two new research studies explore how a stellar nursery in the heart of the Milky Way is affected by the region’s strong ...