The gaseous halo in our galaxy has a mass of 100 billion solar masses, which implies that it has more matter than in the ...

The interstellar comet that recently dominated headlines, 3I/ATLAS, could be between 10 and 12 billion years old, a new ...

If you think you need to travel to remote deserts or mountain peaks to see a proper night sky, Jenny Jump State Forest near Hope, New Jersey, would like a word. This northwestern New Jersey treasure ...

India’s dark sky reserves at Hanle and Pench are working. The science is intact, the wildlife is recovering, and the Milky ...

Once in a while, a LEGO set comes along that I'd recommend to any builder, regardless of age or disposition. The LEGO Ideas ...

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...

Learn more about a new algorithm that helped reveal 87 stellar streams and what it could reveal about dark matter.

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...

Spring is known as “galaxy season,” but that’s not all April’s nightscapes have in store. Here’s what to find while you’re ...

Lake Havasu City astronomer and dark skies advocate Stan Coffield. Coffield is also a longtime member of the Lake Havasu ...

A barred spiral galaxy with 100-400 billion stars, a supermassive black hole, and new 2025 discoveries from Gaia and JWST.

The Santa Monica College Planetarium will offer a multifaceted view of the universe during shows on Friday evenings and Sunday afternoons in April. The three “Deep Space Deep Dive” Feature Programs ...