If you’re even remotely concerned about your health, you probably pack a bottle of sunscreen, a sun hat and maybe an umbrella ...

The UV Index provides a measure of the sun's ultraviolet radiation, a short wavelength of light invisible to humans, that can cause sunburns. Sunburns are a factor that can lead to deadly health ...

Scientists have answered a burning question central to the charm of sunflowers: Why do young flowers move their blooms to always face the sun over the course of a day?

The claim: Moon visible in the daytime proves Earth is flat. A Jan. 3 Instagram video shows what appears to be a cellphone video panning between the sun and moon in a cloudless sky in the daytime.

Each day, young sunflowers trace the path of the sun across the sky, turning their faces 180 degrees from east to west. And their slow, graceful movements continue at night.

Researchers harness sun's energy during day for use at night Date: January 14, 2014 Source: University of North Carolina at Chapel Hill Summary: Solar energy has long been used as a clean ...

THE division of night and day, darkness and light, are why the Moon and the Sun were often worshiped by ancient cultures. But at times, the Moon is visible even in the daytime. Here’s why you ...

During the Northern Hemisphere’s summer solstice, the upper half of the earth is tilted toward the sun, creating the longest ...

Long Island weather: Sun during the day but rain could return at night. Commuters dodge the rain at the LIRR station in Mineola on Monday. Credit: Newsday / Howard Schnapp.

On the day of a solstice, the Earth is at its maximum tilt, 23.5 degrees, either toward or away from the sun. During a summer solstice, the sun is directly above the Tropic of Cancer in the ...

In a phenomenon known as "Chicagohenge," the sun sets over West Madison Street on the final day of winter, March 19, 2021, in Chicago. Twice a year, during the spring and fall equinoxes, the ...