NSF NOIRLab rings in the New Year with a glittering galaxyscape captured with the Department of Energy-fabricated Dark Energy Camera, mounted on the U.S. National Science Foundation Víctor M. Blanco 4 ...

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For a long time, astronomers have noticed that stars rotate too quickly at the edges of galaxies, as if a hidden mass were ...

A scientist analyzing Fermi telescope data found a strange glow around the Milky Way that looks like it could be coming from ...

Does dark matter interact with itself? The answer may lie in vast clusters of colliding galaxies. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

For decades, scientists have only inferred dark matter’s existence through its gravitational pull on galaxies, but may now ...

Cosmologists have long been on the hunt for dark matter, which makes up 80 percent of the mass in the universe, and yet is still mysterious. As its name suggests, dark matter doesn’t emit light, ...

A newly discovered dwarf galaxy orbiting our Milky Way has offered up a surprise — it appears to be radiating gamma rays, according to an analysis by physicists at Carnegie Mellon, Brown, and ...

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter. First spotted in 2024, FCC 224 is a dwarf galaxy that boasts a dozen luminous, tightly bound ...

The anti-gravity force that is driving the accelerating expansion of the universe appears to be distributed uniformly across space and time. When you purchase through links on our site, we may earn an ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...

The faint glow of individual stars stretching between two bright galaxies indicates that the galaxies are actively merging while the galaxy clusters that surround them merge as well. The image was ...