Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of the "stuff" in the universe — about 85%, in fact. That means everything we ...

One of the most extensively studied stellar streams within the galactic halo of the Milky Way is ... cold dark matter (CDM) subhalos. "CDM subhalos typically lack the density needed to produce ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Ever since the winter solstice on Dec. 21, daylight in Evanston has been slowly but steadily increasing, and on Jan. 28, the ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season. “One of the best planet ...

His video opens with a daytime shot of the park's rugged landscape, overlaid with a caption that reads "Most people that visit Death Valley never stay after dark ... to see the Milky Way ...

So, to test this idea, we need to understand the link between fuzzy dark matter and normal matter within a galaxy. In a paper published Dec. 17, 2024 on the preprint server arXiv, an international ...

Sisters has been named Oregon's newest 'Dark Sky Community,' in recognition of the city’s efforts to curb light pollution.