galaxies

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Massive thread of hot gas found linking galaxies — and it’s 10 times the mass of the Milky Way

Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our…

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Webb space telescope reveals starburst galaxies that lit up the early universe

Astronomers using data from NASA's James Webb Space Telescope have identified dozens of small galaxies that played a starring role…

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Largest-ever map of the universe reveals 10x more early galaxies than expected

In the name of open science, the multinational scientific collaboration COSMOS on Thursday released the data behind the largest map…

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Milky Way and Andromeda galaxies may not collide after all

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. In roughly 4 billion years, our…

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Astronomers observe largest ever sample of galaxies up to over 12 billion light years away

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from…

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‘Hidden galaxies’: Key to unlocking some of universe’s secrets

Astronomers have peered back in time to find what looks like a population of ‘hidden' galaxies that could hold the…

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Galaxies die earlier than expected

For a long time, scientists thought that only actively star-forming galaxies should be observed in the very early Universe. The…

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300 new intermediate-mass black holes plus 2500 new active black holes in dwarf galaxies discovered

Using early data from the Dark Energy Spectroscopic Instrument (DESI), a team of scientists have compiled the largest sample ever…

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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’

This article was originally featured on The Conversation. A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known…

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Large and small galaxies may grow in ways more similar than expected

A team of astronomers led by University of Arizona researcher Catherine Fielder has obtained the most detailed images of a…

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