The Latest Breaking News from the James Webb Space Telescope

These are the James Webb Space Telescope's most notable discoveries in 2023.

For decades, measurements of the universe's expansion have suggested a disparity known as the Hubble tension, which threatens to break cosmology as we know it. Now, on the eve of its second anniversary, a new finding by the James Webb Space Telescope has only entrenched the mystery.

The James Webb Space Telescope's discovery of the universe's oldest black holes is giving astronomers some vital clues for how they came to be.

The James Webb Space Telescope has imaged a "Cosmic Christmas Bauble" that is actually the aftermath of a supernova. The stunning picture of Cassiopeia A was revealed by Jill Biden as part of the first-ever White House Advent Calendar.

The James Webb Space Telescope's discovery of water and other molecules in the inner region of a hot protoplanetary disk suggests that rocky, Earth-like planets may be able to form in some very extreme environments.

A dark nebula, also known as "The Brick," was imaged by the James Webb Space Telescope.

The James Webb Space Telescope has found water and organic carbon molecules in the vicinity of a massive, active young star.

The James Webb Space Telescope stared through the gas and dust surrounding an infant star around 1,000 light-years away to see the turbulent outflows it is generating.

The James Webb Space Telescope has detected methane and water vapor in the atmosphere of an exoplanet located around 163 light-years away.

The James Webb Space Telescope has discovered a cosmic 'peanut' and 'fluff ball' that happen to be two of the four oldest galaxies in the known universe.

On Earth, clouds and rain are made of water. But the James Webb Space Telescope has found that on a planet called WASP-107b, the rain and clouds are made of sand.