This is a more nuanced question than one might think. Do you have any guesses as to which language someone could tap into a mobile device the fastest?
Five-Hour Energy, a high-caffeine drink, may have been involved in 13 deaths over the past four years, according to reports filed with the Food and Drug Administration.
Chicago Bears wide receiver Brandon Marshall says he's heard of league mates using Viagra for an on-the-field advantage. Are they getting one?
A Kiwi librarian may have discovered the origin of a non-existent island that's been outfoxing cartographers for more than a century.
New Zealand's Mount Tongariro volcano erupted for the second time this year, portending further activity in a park that already has another volcano on eruption watch.
As a species, dogs put a high emphasis on retrieving sticks and a comparatively low emphasis on avoiding contact with killer whales.
A man who cares about rhinos has begun to mail his toenail clippings to South Africa's Chinese embassy.
A man reportedly fathered a child at the age of 96. Could he do it again next year, and the year after?
A loud boom accompanied by a bright orange flash lit up northwestern Louisiana. A munitions explosion, not a meteor impact, was the cause, say authorities.
The army dusted huge swathes of the country with a chemical called zinc cadmium sulfide. What is it?
A plane crash in Nepal that killed 19 people is being blamed on a devastating collision with a single vulture.
A new viral video seems to show a dash-cam view of an SUV getting hit by lightning. Would the passengers have been safe?
David Blaine is facing 1 million volts in what he says will be his "most dangerous" stunt ever. But physicists aren't worried.