Physicists have directly tracked tiny points of darkness in laser light racing faster than light itself, without breaking ...

Northwestern Medicine scientists have discovered that light plays a key role in how animals perceive environmental threats, ...

Add Yahoo as a preferred source to see more of our stories on Google. Avoiding light at night and seeking light during the day may be a simple and effective way to improve mental health. (Getty Images ...

States with an overexposure to artificial light pollution—particularly at night—are linked to an increased risk of Alzheimer's disease, according to a new study by scientists at Rush University ...

Here’s what it signals—and why it makes a ton of sense.

Human bodies are not entirely dark. A growing body of research suggests that every living person emits an ultra‑faint glow, a stream of tiny photons that persists through life and appears to vanish at ...

Major depressive disorder is a debilitating condition that impacts around 5% of adults worldwide. While doctors commonly prescribe antidepressants to patients, it has several side effects and might ...

ORLANDO, Fla. – Perhaps nothing is more frustrating for drivers than mistimed lights during their commute, and a new study suggests that artificial intelligence could fix this. Frank Chaput, a driver, ...

OMAHA, Neb. (WOWT) - In October, the City of Omaha began another round of studies on various traffic lights across the city. One of them was at 144th and U streets. The study will determine if the ...

Exposure to outdoor light at night could put people at a higher risk of developing Alzheimer’s disease (AD), according to a new study published in Frontiers in Neuroscience. "We show that, in the U.S.