Using entire galaxies as lenses to look at other galaxies, researchers have a newly precise way to measure the size and age of the...

Jets of particles streaming from black holes in far-away galaxies operate differently than previously thought, according to a study published today in Nature.

Zhi-Xun Shen, director of the Stanford Institute for Materials and Energy Science, or SIMES, a joint institute of the Department of Energy's SLAC National...

The first experiments are now underway using the world's most powerful X-ray laser, the Linac Coherent Light Source, located at the Department of Energy's...

A detailed picture of the seeds of structures in the universe has been unveiled by an international team co-led by Sarah Church of the...

Water is familiar to everyone—it shapes our bodies and our planet. But despite this abundance, the molecular structure of water has remained a mystery...

The first black holes in the universe had dramatic effects on their surroundings despite the fact that they were small and grew very slowly...

The Department of Energy's SLAC National Accelerator Laboratory will receive $21.8 million in new funding from the American Recovery and Reinvestment Act.

The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science...

Move over, silicon—it may be time to give the Valley a new name.

True muonium, a long-theorized but never-seen atom, might be observed in future experiments, thanks to recent theoretical work by researchers at the Department of...

The world's brightest X-ray source sprang to life last week at the U.S. Department of Energy's SLAC National Accelerator Laboratory.