The U.S. military is developing a new experimental aircraft known as the X-68A and looks a lot like a cruise missile that is also capable of launching its own missiles.

"Monogenic" diseases, triggered by mutations in just one gene, may actually be more complex than scientists thought.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Lunar eclipses occur on average every year or two, when the Sun, Earth, and the Full Moon align precisely ...

Course fit links a course’s demands to player skills. Learn what to track, how to measure it, and how to apply it to fantasy golf picks.