Dutch artist Posy narrated a wonderfully tranquil video essay about the evolution of the light bulbs and lamps that he ...

Social media users across the Southwest, including in Arizona, shared photos of a mysterious beam of light in the sky on the ...

Georgie and Neil have a real conversation in easy English about the seasons. Learn to talk about the weather and which time ...

The light of someone's life might not be just another person, but light in the literal sense. According to a recent study by ...

We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for ...

On this second Sunday of Easter, the light of the Risen Lord shines for us. Pope John Paul II added the theme of mercy to this Easter reality by making this Sunday that of Divine Mercy.

New research has proven that humans glow with a distinct and visible light that eventually fades after we die.

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...

For more than three decades, journalism advocates worldwide have celebrated May 3 as World Press Freedom Day. The day marks the anniversary of the Windhoek Declaration of 1991, which promoted a ...

Duquesne Light said it could take days before power is restored to all its customers after a powerful storm moved through the area on Tuesday. The power company said crews are starting to make ...