A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

NASA / CXC / SAO / P. Slane, et al. The spiral galaxy NGC 4258 has two ghostly blue arms containing gases heated by violent shock waves, the product of particles ejected from a black hole.

This new image, released on April 4, 2025, showcases the dazzling young star cluster NGC 346. Although both the James Webb ...

NGC 346 is located in the Small Magellanic Cloud, a satellite galaxy of the Milky Way that lies 200,000 light-years away in the constellation Tucana. The Small Magellanic Cloud is less rich in ...

Astrophotographer Ron Brecher has captured a stunning deep sky image of the spiral galaxy M106, located 23.5 million light ...

The unusual galaxy was profiled in two complimentary studies. The first study, led by Doctoral Candidate Yimeng Tang of the University of California, Santa Cruz and published in the journal ...

"No existing galaxy formation model within our standard ... focusing on two ghostly objects within the NGC 1052 group about 65 million light-years away in the constellation Cetus.