Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

Only 0.1% of this galaxy is made of matter; the other 99% is unknown to humanity. Researchers: Dark matter accounts for ...

Quasars are the most luminous type of active galaxy. They emit light across the electromagnetic spectrum, produce powerful ...

A fast radio burst, or a strong pulse of energy, was tracked to a distant long-dead galaxy that astronomers never thought ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Scientists have created over a million simulated cosmic images using the power of supercomputers to anticipate the capabilities of NASA’s upcoming Roman Space Telescope. These synthetic images allow ...

The plasma jets of this cosmic giant span 3.3 million light-years from end to end - over 32 times the size of the Milky Way ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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A new way to study 3D maps of galaxies in the cosmos without compressing the data ... Back in the old days, astronomers would conduct galaxy surveys by taking deep space images on photographic ...