Even though humans have pondered the moon since the first of us looked skyward, there is still much we don't know about it.

Aircraft carriers are large ships that lug around warplanes, ready to launch into dogfights at a moment's notice. But calling an aircraft carrier a mobile runway and hangar is like calling a cruise ...

Yesterday, health officials in Louisiana announced that a patient who was hospitalized with severe bird flu in December has died. The individual contracted bird flu after exposure to a backyard flock ...