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

Learn why researchers say artificial light at night might contribute to sleep disruption, metabolic disorders, and even mood ...

Researchers have cracked a fundamental optical challenge: how to control both angle and wavelength of light independently—a ...

Avid stargazers in Malaysia often take trips within the country to spots where stars are more visible. Read more at ...