Since sexuality is inherently fluid and ambiguous, quantifying sexual identification is fraught with difficulty.
A measles outbreak that hospitalized nearly a dozen children in Minneapolis can be traced back to one doctor's fraud.
Think you're funny? Enter our Discovery News April Fools' Day Headline Contest! While you're at it, check out our readers' best comments of the week.
Both Japan and Haiti suffered major earthquakes, but the disasters -- and reactions -- are as different as night and day.
Many people claim to have grown up hearing about the vampire el chupacabra. Did they?
Creepy, crawly creatures draw our attention, but fear of these critters is a learned emotion.
The recent spree shooting in Tucson has been called "senseless" by politicians and pundits alike. Is it?
Scientists study the brain and behavior of a woman known as "SM" who laughs when most people tremble.
Not only do people at the extremes of shopping both feel unhappiness, they also frequently end up marrying each other.
A newly-elected official in Tanzania fears that he may be targeted for death because he is an albino.