The LSST’s camera will include a filter-changing mechanism and shutter. This animation shows that mechanism at work, which allows the camera to view different...

Ultra-bright X-ray laser pulses of the Linac Coherent Light Source

Researchers around the world pursue three approaches to look for fingerprints of dark matter's ghostly components: on the Earth’s surface, underground and in space. 

Illustration of a Fermi spacecraft.

The side-to-side motion of electrons in a beam can be circular, elliptical, or linear, depending on the position of the Delta undulator's magnet rows...