The Crab Nebula, one of our best-known and most stable neighbors in the winter sky, is shocking scientists with its propensity for fireworks—gamma-ray flares set off by the most energetic particles ever traced to a specific astronomical object.

In a study that could rewrite biology textbooks, scientists have found the first known living organism that incorporates arsenic into the working parts of its cells.

Calcium regulates many critical processes within the body, including muscle contraction, the heartbeat, and the release of hormones.

Secretary of Energy Steven Chu on Monday dedicated the Linac Coherent Light Source (LCLS), the world's most powerful X-ray laser, at the Department of Energy's SLAC National Accelerator Laboratory.

Dr. Jonathan Dorfan has been named president-elect of the Okinawa Institute of Science and Technology (OIST) Graduate University.

The first published scientific results from the world's most powerful hard X-ray laser, located at the Department of Energy's SLAC National Accelerator Laboratory, show its unique ability to control the behaviors of individual electrons within simple atoms and molecules by...

Researchers have found that a 150 million year old "dinobird" fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal's original chemistry.

The U.S. Department of Energy has granted approval for SLAC National Accelerator Laboratory—home of the Linac Coherent Light Source (LCLS), the world's first hard X-ray laser—to begin planning a second X-ray laser at the laboratory.

Persis Drell and Steven Kivelson have been elected to the National Academy of Sciences, joining 70 other new members and 18 foreign associates in the prestigious group.

A new form of platinum that could be used to make cheaper, more efficient fuel cells has been created by researchers at the Department of Energy's SLAC National Accelerator Laboratory and the University of Houston.