galaxy clusters

An astrophysicist's TikTok video about gas in galaxy clusters went viral – but because kids were looking for a different kind of galaxy gas.

Cluster Up

"This is not the right galaxy gas."

Astrophysicist Surprised to Learn Why Her TikTok on "Galaxy Gas" Was Suddenly Blowing Up

An ominous and relatively uncharted region of space known as the "zone of avoidance" has been hiding a cluster of galaxies, according to astronomers.

Beyond the Bulge

A hidden trove of galaxy clusters.

Astronomers Spot "Extragalactic Structure" Lurking In Obscured Zone of the Universe

Two gigantic clusters of galaxies smashed into each other around a billion years ago — and the collision's shockwaves spread so far that they absolutely dwarf our own galaxy.

Galaxy Ripples

It makes your head spin.

Amazing Image Shows Brutal Shockwave Larger Than Our Entire Galaxy

According to new research, dark matter may be an even bigger mystery than we initially thought. The theoretical maps aren't lining up with observations.

Dark Matter Mystery

Well, this is weird.

Dark Matter's Effect Is 10x What It Should Be, Scientists Say

NASA found a weak supermassive black hole in the Phoenix Cluster billions of light years away that is not strong enough to stop stars from forming.

galaxy clusters

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