Lightsaber color meanings reflect a Jedi or Sith's path, from blue for courage to red for power. Discover the significance behind each lightsaber hue in the Star Wars universe.

Photographs demonstrating the distribution of nighttime light from space can be used as an indicator showing the reality a certain area faces economically ...

Circadian rhythms are naturally reset daily by the 24-hour solar light-dark cycles, which help regulate our biological ...

Even though Texas Tech defeated Abilene Christian University Saturday night 52-51 after ACU forced the game into overtime, many fans were not happy, to say the least. Mixed feelings ran through ...

A new type of OLED (organic light emitting diode) could replace bulky night vision goggles with lightweight glasses, making them cheaper and more practical for prolonged use, according to researchers.