The Astrophysical Journal Letters

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Astronomers peeked into a star's magnetic secrets.

The Green Monster was first spotted in Webb data in April 2023.

These are the first results from the eXtreme UV Environments (XUE) James Webb Space Telescope programme.

Webb follows neon signs toward new thinking on planet formation.

NASA’s Webb findings support long-proposed process of planet formation.

Follow-up observations in Pandora’s cluster confirmed the second- and fourth-most distant galaxies ever seen.

The results describe for the first time how light from the edge of the supermassive black hole M87* spirals.

A record-breaking black hole.

Intense flashes of light, not mass, resolve the puzzle of impossible brightness.

When the stars align!

A new investigation by an international team of astronomers using data from the NASA/ESA/CSA James Webb Space Telescope into K2-18 b, an exoplanet 8.6...

The frosty gas giant was discovered in a system that also hosts a warm Jupiter.