The light in Earth's atmosphere may reflect signs of extraterrestrial life.
Since teenage brains need extra sleep, starting high school later in the morning is a proven way to boost test scores.
Studies show that hormones during pregnancy can later affect a child's gender-role behavior.
Some plants produce their own herbicides to ward off invaders and protect their turf.
Scientists search for narrow-band transmissions in outer space as a possible sign of extraterrestrial life.
Even if we do establish contact with extraterrestrials, communicating with them is a whole other story.
Falling sky debris doesn't pose any real threat. But in the nuclear age, asteroids could trigger war sirens.
People living in friendly surroundings have reduced chances of heart problems.
Flies will travel upwards of 6,000 feet to ensure maximum annoyance.
The Appalachian Mountain range has a strange bend in it caused by the gravitational pull of certain underground rocks.
Bigfoot is the stuff of make-believe, but Giganto was real, and was more menacing than the mythic monster.
Antarctica takes the cake for coldest place on Earth.
Thanks to human ingenuity, things get even more bitterly cold!
Genghis Khan fathered an empire in more ways than one.
Following the Permian mass extinction, the surviving species rapidly diversified.
"Extremophile" bacteria might be able to clean up toxic nuclear waste sites.
Sit tight! Movement triggers neurons that dull your hearing.
Chameleons are nature's mood ring; their color reflects how they're feeling.
Spacesuits get a makeover and shed some pounds for a new streamlined look.
Contrary to popular belief, sugar (alone) doesn't rot your teeth.
Is promiscuous behavior in male juncos due to testosterone levels?