Dark Matter Explained: Evidence, Candidates, Tests
What is dark matter? Explore the strongest evidence, top particle candidates, and how experiments and simulations test the dark universe.

Guides to help with your Stargazing Adventure

Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
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Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
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Below are a selection of our Articles, to find more click on one of the sections above, or use the Menu at the top of the page.
What is dark matter? Explore the strongest evidence, top particle candidates, and how experiments and simulations test the dark universe.
Learn what dark matter is, why astronomers think it exists, the leading candidates, and how experiments worldwide are searching for it.
Explore Europa’s subsurface ocean, habitability, geology, plume evidence, and upcoming missions like Europa Clipper and JUICE in this in-depth guide.