If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.
Ever wonder why there are so many dead snakes in the road? Find out on this Moment of Science.
Fahreinheit is based on Earth's range of temperatures where the median falls at zero degrees.
The ocean is increasingly absorbing CO2 from the atmosphere, raising the water's acidity and endangering sea life.
Cats learned the pawing motion sometimes called "making biscuits" as kittens trying to nurse.
Scientists have developed an artificial pancreas that lets diabetics control insulin levels with their smartphone.
Identical twins aren't a supernatural wonder, though they are a rare breed.
A black hole has such a powerful gravitational pull that it sucks up everything nearby, including light.
Romance needs to be nourished with visual cues and body language.
Your ticker is an amazing muscle that works around the clock to keep you alive.