The "skyglow" produced when light from cities bounces off clouds can help cyanobacteria and other aquatic microbes grow at ...

Brown researchers create more efficient design for lightsails — thin membranes that use light to travel through space.

"Just as blue sunlight scatters in the Earth's atmosphere and makes the sun look slightly less blue, light from a strong blue ...

The region’s on-again, off-again fling with rain will continue through Tuesday, bringing in less than an inch of rain across the Bay Area, according to National Weather Service meteorologist ...

MANILA, Philippines — A light oil sheen was observed off Barangay Malawaan in Occidental Mindoro, where a Chinese vessel containing 25 crewmembers capsized, according to the Philippine Coast ...