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

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Astronomers using the James Webb Space Telescope have discovered Zhúlóng, the most distant known spiral galaxy, existing just ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

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

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

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 ...

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ...