The 24th day of the annual Space Telescope Advent Calendar features dozens of galaxies in a cluster, most appearing stretched ...

Here is a look at just a few of the biggest developments in astronomy that The Debrief has been tracking in 2025.

New data on interstellar visitor 3I/ATLAS reveals a kilometre-wide nucleus and absolute radio silence, challenging existing ...

The James Webb Space Telescope has captured a stunning image of Westerlund 1, a star cluster resembling a festive Christmas ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

Oxygen detected just 300 million years after the Big Bang has caused viral claims that cosmology is wrong. But does this ...

The James Webb Space Telescope (JWST) was involved in yet another first discovery recently available in pre-print form on ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

Mahler) Named "Galactic Monocle," the above photograph is from the NASA/ESA/CSA James Webb Space Telescope. This photograph ...

Created using data from the James Webb Space Telescope and NASA’s Chandra X-ray Observatory, the image offers scientists a rare, face-on view of how galaxies interact and merge.

When the solar system began to form, everything was chaos. A slew of rocky material was smashing together in a maelstrom that ...