Learn how a newly detected gamma-ray halo in the Milky Way could mark the first direct glimpse of dark matter.

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

Scientists working with the Gemini North and Keck II telescopes have discovered a galaxy that's made from 99.99% dark matter. And they noticed it because it was "fluffy." Share on Facebook (opens in a ...

The new study reports the detection of a mysterious halo-like glow of gamma rays around the Milky Way, peaking sharply at ...

Hubble has captured the faint beauty of NGC 45, a spiral galaxy in Cetus whose glowing pink star-forming clouds reveal hidden activity. It belongs to the rare class of low surface brightness galaxies, ...

In its first year of full operations, the Euclid space telescope has quietly built one of the most ambitious maps of the ...

Dark matter has two central properties: it has mass like regular matter, and unlike regular matter, it reacts weakly or not at all with light. Neutrinos satisfy these two criteria, but neutrinos move ...

The center of our Milky Way galaxy is expected to shine every night through August as it gets higher in a darker sky. Spectators will have the best luck on cloud-free nights and in locations away from ...

Astrophotographer Joel Martin captured a magnificent view of Bode's Galaxy in February 2025 during the annual Dark Sky Festival held in California's Death Valley National Park. The frames used to ...