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 ...

Manufacturers claim that blue light glasses can filter out blue light and help reduce symptoms such as headaches, eyestrain, and poor sleep. However, research does not support these claims. People ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Have you ever woken up to bright morning skies feeling energized? A big reason for your mood is the high-intensity blue light coming from the sun. Among the visible light spectrum, blue wavelengths ...

The next time you snap a selfie, zoom in for a closer look. Your smartphone -- along with tablets, laptops, and TV screens -- gives off blue light. Certain waves of blue light in varying degrees of ...

The lower half of the New Glenn rocket set down on a platform in the Atlantic Ocean after lifting a small NASA Mars mission to space. By Kenneth Chang Kenneth Chang reported on the first flight of the ...

Blue Origin's launchpad damaged by the recent New Glenn rocket explosion may not be restored until 2028, NASA Administrator Jared Isaacman told CNBC. The company's New Glenn rocket erupted into a ...

Blue Zones are regions where people live longer with lower rates of chronic disease, found in Icaria (Greece), Sardinia (Italy), Okinawa (Japan), Nicoya Peninsula (Costa Rica), and Loma Linda ...