galaxies
Latest about galaxies
What color is the universe?
By Harry Baker published
Scientists have figured out the average color of the universe by recording visible light from more than 200,000 galaxies.
How many atoms are in the observable universe?
By Harry Baker published
Atoms are the building blocks of all matter in the universe, but how many are there in the part of it we can see from Earth?
'Giant arc' stretching 3.3 billion light-years across the cosmos shouldn't exist
By Adam Mann published
How big is too big?
What is the Milky Way?
By Paul Sutter published
Find out all the science of the Milky Way, including the size of our home galaxy, who discovered it and how it's on a collision course with another galaxy.
Dark matter map reveals new filaments connecting galaxies
By Stephanie Pappas published
A new map of the local universe created with machine learning reveals filaments of dark matter connecting galaxies.
Astronomers keep finding mysterious circular rings in the sky and don't know how to explain them
By Adam Mann published
Mysterious circular objects in the distant universe are challenging for astronomers to explain.
Monster black hole spews energy as regularly as Yellowstone's 'Old Faithful'
By Mindy Weisberger published
Regular energy flares that emerge from galaxy ESO 253-3 are produced by a black hole about 20 times larger than the one at the center of the Milky Way.
10 huge black hole findings from 2020
By Adam Mann published
Here, we take a look at some of the most spectacular black hole findings of 2020.
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