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Summertime ice in the Arctic Ocean has been in quick retreat. There's a lot of uncertainty about how quickly it will melt away entirely in the summertime. Estimates range from 2013 to beyond 2100. The uncertainty is explained by the science behind the phenomenon of melting.

A massive analysis of some 350,000 students in 53 countries has uncovered a paradox: Students in many countries that are mediocre at science have an inflated sense of good they are.

Why do screams demand our attention like no other sound? The answer seems to involve an acoustic quality called roughness that triggers fear circuits in the brain.

There are more than 1,400 billionaires in the world right now, according to two sources — one in the U.S., and one in China. But the tallies by Forbes and Hurun Report differ on key points, including whether there are now more billionaires in Asia than anywhere else.

This month, sci-fi and fantasy magazine Lightspeed features all female authors, as part of an ongoing conversation about what science fiction is, and whether women can write it. (Short answer: Yes!)

Six Flags says it will use thermal imaging to screen temperatures of guests and employees before they can enter.

A Georgia 14-year-old has been charged with four counts of murder after a fatal shooting at his high school. Last year, authorities interviewed him over online threats to commit a shooting.

The movie about a stranded astronaut is being hailed for its scientific realism. Andy Weir, who wrote the book the film is based on, is a longtime computer programmer who sees romance in numbers.

Canada and the U.S.A. agreed to create a 20-foot-wide corridor between them that runs for 5,500 continuous miles. Cartographers drew the line straight, but engineers built it crooked. Take a look.

Only about 10 percent of K-12 schools teach computer science. Some companies are trying to fill a void in public education by teaching kids programming basics.