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A skywatcher has photographed a troubled Russian Mars probe that remains stuck in Earth orbit three weeks after its launch. [More]

You walk into the kitchen to grab a--wait, why did you come in here again? [More]

Kristian Carlson (right) discusses the first rib of Australopithecus sediba with colleague Brian Kuhn. Image: Kate Wong JOHANNESBURG At a tea party earlier today for a research team at the University of the Witwatersrand that has grown accustomed to making stunning discoveries of human fossils, a curious excitement erupted when Kristian Carlson unveiled a seemingly modest find: a rib bone from Australopithecus sediba . In fact, it wasn’t even an actual fossil just a resin replica

(Reuters) - The U.S. government proposed protecting old-growth forests in Idaho and Washington state on Tuesday to save the nation's dwindling population of mountain caribou, popularly known as wild reindeer. [More]

iStockphoto/kali9 More and more physicians are investing in their own imaging equipment. But when a doctor stands to make money on each MRI he or she orders, it doesn’t take a brain surgeon to figure out that they might be inclined to order too many scans. [More]

The notion that robots must be rigid metallic automatons made mobile by wheels, tracks or even legs has constrained the imagination of their designers. The weight of all those rods, gears and motors quickly adds up, and complex mechanical and electrical control systems are needed for robots to handle delicate objects or navigate across different types of terrain. [More]

In 1977, 22-year-old Steve Jobs introduced the world to one of the first self-contained personal computers, the Apple II.

When I was in fifth grade, my brother Alex started correcting my homework. This would not have been weird, except that he was in kindergarten--and autistic

For the Xhosa in South Africa, a boy's coming of age is often marked by an elaborate and lengthy set of rituals. One of the ordeals is circumcision , which is traditionally performed by a healer and occasionally leads to an ineffective cut, infection or even death. The young men who emerge from the ceremony healthy, however, achieve not only new social status but are also much less likely to become infected with HIV

By Heidi Ledford of Nature of magazine With sales of more than $100 billion since it was introduced in 1997, the cholesterol-lowering drug Lipitor (atorvastatin) is an unparalleled pharmaceutical superstar.

Popular Science, 1936. Bull with single horn is modern unicorn

Ravens use their beaks and wings much like humans rely on our hands to make gestures , such as for pointing to an object, scientists now find. [More]

It started with Vic Rail's horses, in September 1994. First one, then another, they died horrible deaths, 13 horses in all over the span of just two weeks, frothing from their noses and mouths, thrashing in agonizing pain

Scientists in the United States have come up with a tool for automatically analysing digital photographs , making it possible to gauge the extent to which images have been altered or retouched. [More]

Help marine researchers answer key questions about how whales communicate [More]