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The beloved James Webb Space Telescope will soon begin working on a fascinating to-do list for 2024 and 2025, including research into black holes, alien moons, dark energy and more.

A group of extremely bright stars may be slowly reshaping the Orion Nebula and stopping one of their neighbors from forming planets, new James Webb Space Telescope observations suggest.

Data collected by the James Webb Space Telescope shows that, like Pluto, the dwarf planets Eris and Makemake could be geologically active, which changes what we know about their chances of harboring life.

Astronomers believe the first galaxies formed around giant halos of dark matter. But a newly discovered galaxy dating to roughly 13 billion years ago mysteriously appeared long before that process should have occurred.

New James Webb telescope images reveal 19 Milky Way-like spiral galaxies in more intricate detail than has ever been seen before.

The new black hole image offers further confirmation for Albert Einstein's theory of general relativity.

A bizarre object discovered by the James Webb Space Telescope may be a pair of 'rogue' planets ― but a new study finds they are emitting radio signals rarely seen from other worlds.

A green "Grinch-like" shape in a supernova remnant imaged by the James Webb telescope may have come from a blast debris field, scientists proposed

The James Webb Space Telescope reveals a stunning new portrait of ice giant Uranus, featuring its frigid rings and 14 of 27 moons.

Aliens made headlines in 2023, but are we really any closer to finding life beyond Earth? A recap of the best new evidence, and other remarkable stories from the year in space.