The Secrets of Darwin's Dinobird

For centuries, the field of archaeology has depended on what's visible to the naked eye. Now, researchers are revealing what lies beneath the surface of a key evolutionary fossil, Darwin's "dinobird."

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What Happened to Antimatter?

The Big Bang created an equal number of particles and antiparticles. But we don't ever come into contact with antiparticles, and scientists don’t see any out there in the universe.

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Dark Matter: Measuring the Invisible

What is dark matter and why are we looking for it? Dark matter is a vital ingredient in the cosmos, five times more abundant than ordinary matter. But we couldn't detect it—until now.

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Plasma-Wakefield Acceleration

What if it were possible to build a particle accelerator to explore energies beyond even that of the proposed 30 kilometer International Linear Collider—at a fraction of the size, power consumption and cost?

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The Molecules of Life

SLAC's two major X-ray user facilities support a variety of protein studies with applications in medicine, environmental, ecological and basic life sciences.

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Understanding Water

Water, by any measure, is strange stuff. It behaves unlike any other liquid. But despite its prevalence and importance, liquid water's molecular structure has been the subject of intense debate for decades.

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Fueling the Future

Hydrogen—the most plentiful element in the universe—could play a role in meeting the world's demand for energy while reducing our dependence on carbon-based fuels.

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Lowering the Risk of Arsenic Poisoning

Arsenic contamination of underground water supplies is a major problem around the world. Studies of how different forms of arsenic deposit in the ground at different depths and move through the water system…

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