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In 2010, $607 million dollars worth of small and light arms left the United States, headed to buyers around the world
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Though much of the physics behind rainbows is still cloaked in colorful mystery, researchers have at last unlocked some of the secrets behind the peculiar optics of the twinned rainbow.
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Good news on the illegal wildlife trade front: a new forensic genetics tool allows scientists to pinpoint where seized illegal ivory originates
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People often think their sarcasm is obvious, while receivers aren't always so quick to get the joke.
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Lovell, of the Lovell telescope, made several advances in radio astronomy and physics.
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Deep underground in southern Italy, just outside the city of Naples, the Campi Flegrei supervolcano has been resting for the past 500 years
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On a wooden raft two kittens (and three sailors) traveled from Canada to Cornwall
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New research shows that, unlike most animals, many adult humans continue to engage in playful behavior well into their summer and autumn years, and that this fun-loving attitude may help them score big when it comes to the opposite sex.
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The Arctic is melting,
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In rural Southern India, a husband has embarked upon perhaps the most chivalrous mission ever: designing an affordable menstrual pad for local women
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Landing a car-sized rover on a distant planet using a sky crane is really hard, and really awesome.
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This silent film footage was taken in 1909 by Thomas Edison at Mark Twain's estate
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Cows' mottled coats may have evolved to help keep flies away.
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The Union of Concerned Scientists describes how warming and drought can cause problems for power generation
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It's no surprise that many of food health labels stray from truth, but how can we cut the rubbish and identify the things that are actually good for us?
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Though all eyes are on Curiosity, space agencies from around the world have by no means been resting on their laurels.
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Residential segregation has increased by income in 27 out of 30 of America's metropolises, and in some cases translates to shorter lives in poorer areas
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In one click, the drifting lines and changing colors take you through 170 years of history.
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If we let athletes dope all they want, just how big, fast and strong can they really get?
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In 1936 Jesse Owens won four gold medals at the Berlin Olympics, throwing the idea of Aryan supremacy back into Hitler's face
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