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Eris and its moon from the Hubble Space Telescope.

The world’s population will cross the 7 billion mark this month and is projected to reach more than 9 billion by 2050.

By Larry Dignan Research in Motion's rolling global outages could be a major body blow for a company looking to get off the mat. [More]

Geneticist Oliver Smithies is a toolmaker. He shared the Nobel Prize in Physiology or Medicine in 2007 for discoveries that led to the development of knockout mice

Kira Testin knew that something was wrong before she and her husband ever saw the fertility specialist. “We had been trying for a year to get pregnant,” recalls Testin, who was 27 at the time.

Last month a BBC news story made the Internet rounds, with a somewhat sensational headline declaring the “first Irish case of death” by spontaneous human combustion (SHC). The badly burnt body of a 76-year-old man was found in his Galway home on December 22, 2010, lying on his back with his head close to an open fireplace. There was no trace of accelerant, no evidence of foul play, and “forensic experts” concluded that the fire in the fireplace hadn’t caused the blaze.

BLACKSVILLE, W.Va. -- Who killed Dunkard Creek? Was it coal miners whose runoff wiped out aquatic life in the stream where locals have long fished and picnicked

In five years, Black Death wiped out an estimated 30 to 50 percent of Europe's population. This medieval plague was caused by the bacterium Yersinia pestis , which still circulates among humans .

Right now about one billion people suffer from chronic hunger. the world’s farmers grow enough food to feed them, but it is not properly distributed and, even if it were, many cannot afford it, because prices are escalating

To feed the world's growing and more affluent population, global agriculture will have to double its food production by 2050. More farming, however, usually means more environmental harm as a result of clearing land, burning fossil fuels, consuming water for irrigation and spreading fertilizer.

By Susan Young of Nature magazine A team of researchers has corrected a faulty gene in induced pluripotent stem (iPS) cells derived from skin cells of people with an inherited metabolic liver disease. [More]

By Ben Klayman DETROIT (Reuters) - General Motors Co confirmed it will make its first all-electric vehicle, a version of the Chevrolet Spark minicar that will debut in 2013 and take aim at Nissan Motor Co Ltd's Leaf. [More]

Citizen scientists document turtle roadkill observations in Massachusetts through an online mapping interface [More]

In recent months, politicians cranking up their campaigns for the 2012 presidential elections have made some science claims that might be called interesting at best. Whether it's Texas Gov. Rick Perry (R) comparing himself with Galileo or Sen.

If ever Americans were up for a bit of class warfare, now would seem to be the time. The current financial downturn has led to a $700 billion tax-payer-financed bank bailout and an unemployment rate stuck stubbornly above nine percent. Onto this scene has stepped the Occupy Wall Street (OWS) movement, which seeks to bring together a disparate group of protesters united in their belief that the current income distribution is unfair.