JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

The JWST has done it again. The powerful space telescope has already revealed the presence of bright galaxies only several hundred million years after the Big Bang. Now, it's sensed light from a ...

The first conclusive discovery of crystalline frozen water in a far-off young star system has been made by researchers using ...

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New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

NASA's James Webb Space Telescope has found water vapor swirling in the air of a distant, boiling-hot alien planet, a new ...

Astronomers have detected possible biosignature gases, including dimethyl sulfide (DMS), in the atmosphere of exoplanet K2-18b using NASA’s James Webb Space Telescope. Located in the habitable ...

Crucially, a failed attempt would bring more shame to a telescope that was already an orbiting object of ridicule: After launching in 1990, a flawed mirror ... like the James Webb Space Telescope ...

This new Picture of the Month from the NASA/ESA/CSA James Webb Space Telescope features an astounding number of galaxies. The objects in this frame span an incredible range of distances ...