Space exploration is a force of nature unto itself that no other force in society can rival.

Luckily, there are some rocks left over from our earliest days, asteroids formed during our solar system's birth. Occasionally, some of them drop in on Earth, and when they do, they're called meteorites.

Gamma rays are the sort of radiation you should avoid. Want proof? Just remember how the comic strip character "The Hulk" became big, green, and ugly.

If you're really successful at bullshitting, it means you're not hanging around enough people smarter than you.

Would a NASA reality show "Lunar Shore" be more popular than "Jersey Shore?" Civilization's future depends on that answer.

I remain fearless of airplanes after 9/11. But during a trip to Los Angeles on a Boeing 767, I couldn't keep my mind from drifting: What's the largest piece of this airplane that could crash into the World Trade Center, explode out the other side, and survive intact? The landing gear? My computer battery? My belt buckle? My wedding ring?

What's up with chicks and science?