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.
When in between exoskeletons, blue crabs rely on an inner hydrostatic skeleton to move about.
Smooching feels good, of course, but couples first started swapping saliva as a way to test out genetic compatibility.
Our eyes sometimes play tricks on us because our brains have evolved to see patterns, even where there are none.