The expansion of the universe is still accelerating under the influence of dark energy, despite recent claims to the contrary ...

A strange gamma-ray emission from the center of the Milky Way remains one of astronomy’s most persistent puzzles. New ...

The James Webb Space Telescope observed 13-billion-year-old light, using a closer galactic cluster like a magnifying glass.

Stars form when vast clouds of cold gas in space collapse under their own gravity. But not all gas collapses, and not all clouds form stars equally efficiently. A longstanding puzzle in astrophysics ...

Astronomers have discovered a "remarkable" bow-and-arrow-shaped radio galaxy with an enormous arc-like structure extending ...

GJ 504 b has been one of astronomy’s stranger nearby worlds for years, a faint pink companion circling a sunlike star 57 ...

A quasar from the universe’s first 850 million years has started to look less like a distant pinprick and more like a real ...

"These late-time radio burps can appear when the black hole eats too fast or eats too slowly, so you should always eat the ...

Construction of the Deep Synoptic Array is about to start in rural Nevada. It will reveal untold galaxies in stunning detail ...

Astronomers have previously found signs that Sgr A* erupted in the past, but evidence of an ongoing outflow remained elusive.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...