Measuring data from the Hubble telescope, NASA has discovered a salt-water ocean on Jupiter's largest moon beneath layers of ice.
Human footprints from 350,000 years ago have been preserved in volcanic ash.
Alcoholic beverages may make you drowsy, but actually reduce your quality of sleep.
Remoras are hangers on, literally, that latch onto predatory fish and live off of their leftovers.
Mars-bound astronauts will face many dangers including extended exposure to galactic radiation, which has been shown to cause brain damage.
Surgical masks are a good way to keep from spreading your germs to others, but don't prevent their germs from reaching you.
Grebes perform a daring feat to attract the opposite sex: They run on water!
Sexy swordfish have figured out how to go a-courting without courting disaster.
Flowers aren't just pretty to look at; these edible petals add unique and vibrant flavors to your palette.
In solving the pollination mystery surrounding Heliconia tortuosa, scientists made an important discovery about plant evolution.