Both beloved Philadelphia holiday attractions were installed last week after a fundraising effort successfully ensured the ...

Light therapy lamps, also known as sunset projection lamps or sun lamps, are light boxes that mimic natural sunlight. When they feature the correct lux, a unit measuring the amount of light produced, ...

A large study of nearly 89,000 participants found that higher exposure to light at night is linked to a significantly greater ...

Nighttime exposure to bright light is associated with a higher risk of cardiovascular disease, but there’s plenty you can do about it.

A family have turned their home into a Halloween light display to raise money for a children's charity. Rachel and Kevin ...

A steady, cool wind coming from the northeast will keep a layer of clouds in place for much of the day Wednesday, with ...

Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why certain mammals exhibit this odd trait.

A new butterfly species has been named after Iryna Zarutska, the 23-year-old Ukrainian refugee who was fatally stabbed while ...