New studies from Germany and Hong Kong pinpoint specific sources of light pollution keeping our cities excessively bright at ...

Light pollution is increasing worldwide, leaving a significant impact on our wildlife. Artificial light at night, also known ...

xLight, a US startup aiming to commercialize particle accelerator driven free electron lasers (FELs) for use in semiconductor production, says it has raised $40 million in a series B round of venture ...

BEIJING -- The High Energy Photon Source (HEPS), China's flagship synchrotron radiation facility, is set to begin trial operations by the end of 2025, according to the project team. A synchrotron ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

Blue light comes naturally from the sun, the biggest source of blue light we consume, but it can also come from artificial sources like smartphone screens, televisions and fluorescent and LED lights.