Nothing in this Universe is eternal—not even the stars.

Many impact craters on Earth have been erased thanks to wind, water, and plate tectonics. But scientists have clever ways to find them.

Velcro is used in many spaces, from spacecraft to shoes. A relatively recent invention, it was inspired by the close observation of nature.

Few foods elicit such strong reactions as chili peppers. Why do we love something that hurts so much?

Two educators use the history of corn, from the domestication of maize 10,000 years ago to today's ubiquitous "commodity corn," to teach about biodiversity.

Scientists explore the causes--climate change, habitat destruction, and more--that decimated animals and humans alike, from Ice Age to Internet Age.

Why do spicy foods feel hot? A look at the science behind the world's spiciest hot chili peppers, including the new "Dragon's Breath" variety.

The solar system is apparently more crowded than we thought: astronomers have discovered a new dwarf planet. Some dwarf planets don't play by the rules.

Americans go to desperate measures to keep their lawns manicured and green. But is it worth the environmental cost?