New JWST observations of the Phoenix Cluster of galaxies support a theory about star formation that other clusters challenge.

NASA's James Webb Space Telescope has spotted a tiny moon orbiting Uranus, expanding the number of the planet's known ...

The moon - which is yet to be named - was discovered using the James Webb Space Telescope, and is believed to be around six ...

Scientists have discovered a new, elusive moon around Uranus, making it the 29th natural satellite known to orbit the ice ...

Astronomers are living in a golden age of bigger and better telescopes. But even our most advanced technology pales in comparison to the power of nat ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

A team led by scientists at the Southwest Research Institute (SwRI) in Colorado made 10 different 40-minute exposures of ...

This new moon is the 14th of Uranus's small moons, which include Miranda, Ariel, Umbriel, Titania, and Oberon. Ultimately, ...

In a new study published in The Astrophysical Journal Letters, astronomers reexamined the size and brightness of Earendel, ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in its teething stage, according to findings published this month.

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...