Our galaxy is being held together because dark matter is actively keeping everything "stuck". But how precise is this theory?

An international team has discovered a gigantic filament of hot gas connecting two pairs of galaxy clusters over a distance ...

Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

A new study reveals the universe’s first molecule, HeH⁺, was more reactive and crucial to star formation than expected.

The NSF-DOE Vera C. Rubin Observatory in Chile recently captured rare footage of the visitor known as 3I/ATLAS — only the third interstellar object discovered. What’s more impressive: The observatory ...

A new mixed reality breakthrough uses holographic waveguides and AI to deliver lifelike 3D images, without bulky headsets or ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the NumbersAt the ...

Telescopes have come a long way since the first one was invented in 1608. So what's the most powerful telescope operating ...

Find out what's up in your night sky during August 2025 and how to see it in this Space.com stargazing guide.

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Pope Leo XIV on Thursday appointed astronomer Father Richard Anthony D’Souza, SJ, as the new director of the Vatican ...

3D Renderings of future car models or just concepts - August 4th 2025 ...