The first theories on magnets date back more than 2,500 years, but how do magnets work?
Will the Gulf Oil Leak provoke government regulations in the same fashion as earlier environmental and industrial disasters?
On Memorial Day, when the U.S. honors its war dead, a whole new set of rules govern raising and lowering of the American flag.
As the space shuttle enters retirement, the people who flew on it enter an exclusive club with a static membership.
The first synthetic life created accusations that J. Craig Venter is playing God. But scientists and ethicists disagree. Yet they say synthetic cells could be dangerous.
By releasing a video of airmen laughing while they shock each other with Tasers during training, the Air Force has documented a key role humor plays in group bonding.
The first synthetic genome was created, which could let scientists uncover the very origins of life on Earth.
While blasting rockets have provided the energy for most space travel so far, solar energy may provide the boost for spaceships in the future.
As the Gulf oil spill continues unabated, here are seven strange facts you didn't know about the oil spill.
Lizards rely on the environment to control their body temperature. This strategy has worked well for millions of years, but makes reptiles extremely sensitive to global warming.
The colossal squid, with a body longer than a school bus and sharp tentacles, is no monster predator.
The hole in the ozone layer was perhaps the worst example of mankind’s impact on the planet, but a world-wide campaign against ozone-depleting chemicals has helped repair most of the damage.
Even though plants absorb some greenhouse gas, rising CO2 levels make leaves contribute to global warming.
Adults so rarely murder children that psychiatrists and law enforcement officials don’t have enough data to draw any conclusions about possible similarities in the killers’ motives.
Despite 135 years of racing, only one Kentucky Derby winner has ever sired more than one later Kentucky Derby Champion. But it is two other horses that have the most distinguished lines of breeding.