The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

NASA's James Webb Space Telescope finds a red supergiant star before it exploded, offering new clues to why their supernovas ...

Researchers have identified a massive red supergiant on the brink of supernova in images from the James Webb Space Telescope, ...

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It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...

NASA's James Webb Space Telescope confirmed Earendel, the most distant star, shining just one billion years after the Big Bang. Gravitational lensing ...

Scientists have made a new calculation of the speed at which the universe is expanding, using the data taken by the powerful new James Webb Space Telescope on multiple galaxies. Webb’s image of one ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...

Astronomers have captured the most detailed view yet of a red supergiant star just before it exploded, hidden beneath layers ...

Two students have engineered a fix to improve the imaging from the James Webb Space Telescope interferometer. They did this ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the one orbiting Earth could potentially form. Using data from NASA’s James ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...