In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn ...

Uranus and Neptune will also be on the scene, too dim to see with the naked eye.

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies ...

In the 1930s, the Switzer brothers stumbled onto a way to mimic fluorescence. That led to Day-Glo, which has been making the world a brighter place ever since ...

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The comet is now racing away from the sun following a close flyby on Jan. 20.

Red light therapy uses specific wavelengths of light to enhance cell function and promote rejuvenation, with potential benefits for skin, inflammation, and pain. While generally considered safe, red ...