This effect wins out over warm air rising. The warm air in a thermal will cool as it rises, until it reaches the temperature ...

If you have melasma or hyperpigmentation, tinted sunscreens are your best bet. They blend well with darker skin tones and ...

On a tranquil summer evening, just as the sun dips below the horizon and darkness begins to settle, an ethereal spectacle ...

Explore the return of sunlight after years of global dimming. Discover how air pollution reduction is affecting sunlight ...

Find Sun Shine Through Window stock video, 4K footage, and other HD footage from iStock. Get higher quality Sun Shine Through Window content, for less—All of our 4K video clips are the same price as ...

More clouds than sun; PM shower/t-storm ... A cold front will slide through early Tuesday morning, with a few showers out ahead of it tonight, and few more scattered showers popping up tomorrow ...

India launched its first satellite, Aryabhata, from a Soviet cosmodrome, marking a pivotal moment in its space program.