Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

Just yesterday (Dec. 15), the Green River levee was breached, raising the specter of flash flooding in Tukwila, south of ...

Space is full of unsolved mysteries, and a team using NASA’s James Webb Space Telescope have recently turned up a doozy.

The NASA/ESA/CSA James Webb Space Telescope captured an amazing view of the planet Uranus, its rings and moons. Webb's ...

Astronomers said planet PSR J2322-2650b appears to have an exotic helium-and-carbon-dominated atmosphere unlike any ever seen ...

The 17th day of the annual Space Telescope Advent Calendar shows a pair of star-forming regions in a distant and dusty ...

A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...

Scientists are scratching their heads over a recent James Webb Space Telescope (JWST) discovery that looks more like a piece ...

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

Webb spots a bizarre exoplanet with a carbon-rich atmosphere orbiting a pulsar, defying theories of how planets form.