The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky.

Outdoor lighting for buildings, roads and advertising can help people see in the dark of night, but many astronomers are ...

BUENOS AIRES, Argentina -- Transparent-faced fish drift through dusky waters. Snowlike flecks of dead plants sift down from ...

A robot explores the dark, cold, deep sea floor of the South Atlantic, transmitting images of vibrant coral and fish never ...

8. Speaking of sunlight, it’s composed of approximately 40 percent light, 50 percent heat, and 10 percent ultraviolet ...

BUENOS AIRES — Transparent-faced fish drift through dusky waters. Snow-like flecks of dead plants sift down from the world above. Soft sponges peek through the soot of the seafloor. Only occasional ...

The Nanlite Pico is a pocketable LED light with 14 preset lighting effects, adjustable colors, and a magnetic base ...

India Meteorological Department (IMD) has issued an orange alert for Kannur, Kasargod and Idukki districts for Sunday. As incessant rainfall continues in the monsoon season, the Met department has put ...

Last year, at age 18, Nima Rinji Sherpa became the youngest climber to summit the world’s 14 tallest peaks. His next challenge is even trickier: Overturning old ideas about the roles Sherpas play—and ...

It is always fun showing newcomers our amazing trail system, regaling them with stories of some of the greats who have ...