If they exist, aliens give short shrift to humans as a food source.
NASA has designed a new grappling tool based on geckos' foot grips.
Like consciousness, could telepathic abilities be developed throughout the course of human evolution?
Scientists search for solid evidence to answer whether glass is a solid or liquid.
Nitrous oxide, commonly known as laughing gas, is reaching dangerously high levels in the atmosphere due to global warming.
Wings elevate butterflies from creepy, crawly status to majestic heights.
Though often taken for granted today, eyeglasses were an amazing scientific breakthrough.
Slather on sunscreen before you hit the road: Cars don't protect against harmful UV rays.
Groundhogs aren't looking for their shadow—they're looking for a mate.
Seals eavesdrop on killer whales to distinguish the harmless fish-only eaters from the seal-eating kind.