The intercontinental Square Kilometer Array will comprise thousands of dishes to image vast swathes of the sky.
The moon's clouds and a bit of its surface are visible in new views from the space-based observatory.
Maps of the Martian surface suggest something big hit the planet 3.4 billion years ago.
The damaged astronomy site faces an uncertain future.
The jet is from the most distant tidal disruption event yet observed.
The merging galaxies, heavily distorted by gravity, have formed an unusual celestial ring.
WASP-39b is a hot Saturn with some nasty chemicals in its skies.
You can scroll back in time, from more recent galaxies to the most ancient light sources.
The analysis quells fears that the telescope will suffer frequent micrometeoroid hits.
A documentary streaming on Amazon Prime Video tells the very human story of two robots on Mars.
A deeper look through a massive cluster has turned up two galaxies that formed just after the cosmic dawn.
The space observatory’s most recent image shows a star’s preamble in the nearby universe.
They're some of the densest objects in the universe, with nutty internal physics
We have a much more interesting view of dwarf galaxy Wolf-Lundmark-Melotte, thanks to Webb’s imaging powers.
The Webb team had to pause observations in the medium-resolution spectroscopy mode after a problem arose in late…
Images from Tokyo, Australia, Arizona, South Korea, and more show the Moon moving into Earth's shadow.
The dense, dormant object is hiding in plain sight.
These are the IXPE mission’s first observations of a mass-accreting black hole.