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Presented by Arianna Gleason. When and where life originated on Earth – and if, or where, life exists elsewhere in the cosmos – are some of the biggest scientific questions of our time.

Petroglyphs are carved in a material called rock varnish, the origins of which have been debated for years. Now, scientists argue it’s the result of bacteria and an adaptation that protects them from the desert sun’s harsh rays.

The Large Synoptic Survey Telescope will be named for an influential astronomer who left the field better than she found it.

Presented by Maria Elena Monzani. The nature and origin of dark matter are among the most compelling mysteries of contemporary science.

Presented by Diana Gamzina. In particle accelerators, electrons are pushed to extreme energies by electromagnetic fields that oscillate inside evacuated metal cavities. Those cavities are usually made of copper.

Images reveal how some antibodies may block SARS-CoV-2 infection.

The results of a new scientific study reveal how photosynthetic reaction centers adapt to make light-driven reactions more efficient.

The lab’s X-ray laser recently joined other facilities in making remote science possible from any corner of the world, a trend that will likely continue into the future.

The LSST camera integration and testing team inserted a raft of nine imaging sensors into the body of the ComCam. This miniature version of the LSST camera will be used for telescope commissioning. Check out photos of this and other...

Its electron beams will drive the generation of up to a million ultrabright X-ray flashes per second.

A SLAC/Stanford study of the population of satellite galaxies orbiting the Milky Way provides new clues about the particle nature of dark matter.

A new way to arrange the hard-working atoms in this part of an exhaust system could lower the cost of curbing pollution from automotive engines.