Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies published Thursday. Subscribe to read this story ad-free Get ...

Blue spirulina is the phycocyanin pigment extracted from the spirulina algae. It contains antioxidants and may support brain, immune, and cardiovascular health, among other benefits. Commonly referred to as a superfood, spirulina (Arthrospira platensis) is ...

Blue bananas are real, but don't get too excited Did you know there are more than 1,000 different types of bananas? And while almost all of them have yellow peels, there is one banana that’s blue! But don’t run down to the supermarket to seek out this ...

Blue nails may indicate that the blood is not carrying enough oxygen to the fingertips. There are many possible causes, including heart and lung diseases. Anyone with blue nails should seek medical advice. In some cases, fingernails turn blue or purplish ...

Blue light is all around you. These high-energy light waves emanate from the sun, stream through earth’s atmosphere, and interact with light sensors in your skin and eyes. Increasingly, people are exposed to blue light in both natural and artificial ...

Twitter is ready for you to hand over some cash, whether it’s subscribing to the relaunched Twitter Blue service or buying one of the blue bird statues from its San Francisco office. Twitter Blue is one of Elon Musk’s strategies to monetize the ...

Blue Origin's huge New Glenn rocket launched into space for the third time ever Sunday morning (April 19) — but, in a first for the company, it soared into orbit powered by prev

We love a funky blue cheese and ate six brands to figure out which makes the best, creamiest variety. Find out the results of this cheesy taste test.