galaxies
Latest about galaxies

Astronomers discover giant 'bridge' in space that could finally solve a violent galactic mystery
By Jonathan Gilbert published
Scientists have found evidence for a cosmic collision in the Perseus cluster, a group of thousands of galaxies not far from our own.

How many planets are in the universe?
By Briley Lewis last updated
We currently know of more than 5,800 planets beyond the solar system, but we've only found the tiniest fraction of the exoplanets that astronomers think lie elsewhere in the universe.

The universe's 'missing matter' may have finally been found
By Joanna Thompson published
About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say previously undetected clouds of hydrogen gas could finally reveal it.

James Webb telescope spots Milky Way's long-lost 'twin' near the dawn of time
By Brandon Specktor published
The James Webb Space Telescope has discovered Zhúlóng, a candidate for the most distant spiral galaxy in the universe. The perplexing Milky Way 'twin' dates to 1 billion years after the Big Bang, and appears too big to explain.

Record-breaking 'dead' galaxy discovered by JWST lived fast and died young in the early universe
By Robert Lea published
The most distant and earliest "dead" massive galaxy ever seen shows some galaxies lived fast and died young shortly after the Big Bang.

Gaia telescope retires: Scientists bid farewell to 'the discovery machine of the decade' that mapped 2 billion Milky Way stars
By Sharmila Kuthunur published
After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as "the discovery machine of the decade."

NASA's SPHEREx telescope 'opens its eyes on the universe', taking stunning debut image of 100,000 galaxies and stars
By Ben Turner published
SPHEREx's first images — containing roughly 100,000 points of light stars, galaxies and nebulae — have confirmed that the telescope is working according to its design.

Scientists discover smallest galaxy ever seen: 'It's like having a perfectly functional human being that's the size of a grain of rice'
By Robert Lea published
Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda survived the blistering conditions of the early universe.

'We had less than a 2% chance to find this': James Webb telescope uncovers baffling 'Big Wheel', one of the most massive galaxies in the early universe
By Themiya Nanayakkara published
Astronomers using the James Webb Space Telescope have discovered an object they've dubbed 'Big Wheel,' a gargantuan galaxy spinning through the early universe and growing larger by the second.
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