A joint Fermilab/SLAC publication
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What is dark energy?

It’s everywhere. It will determine the fate of our universe. And we still have no idea what it is.


The universe at your fingertips

Raw images from the DECam Legacy Survey’s new image archive will appear online the day after they are taken.


DECam’s far-out forays

The Dark Energy Camera does even more than its name would lead you to believe.


Our flat universe

Not a curve in sight, as far as the eye can see.


Physics for the people

Citizen scientists dive into particle physics and astrophysics research.


DECam’s nearby discoveries

The Dark Energy Camera does more than its name would lead you to believe.


Mirror, mirror

After more than six years of grinding and polishing, the first-ever dual-surface mirror for a major telescope is complete.


New books for the physics fan

These recently published popular science books will help you catch up on particle physics news, knowledge and history.