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The treatment of hepatitis C virus infections has taken a major step forward with the U.S. Food and Drug Administration’s approval of two new drugs, telaprevir and boceprevir, for managing the disease.

In the long hunt for water on Mars, researchers may have finally caught sight of flowing liquid. [More]

By Ayesha Rascoe WASHINGTON (Reuters) - Royal Dutch Shell's long-stymied Arctic drilling program inched ahead on Thursday, as the U.S.

By Zeeya Merali of Nature magazine A one-way system for light rays could allow optical computer chips to overtake their standard electronic counterparts. [More]

The carbon molecule known as a buckyball, a member of the fullerene family, can act as a cage for a variety of other chemicals. And now researchers have used one to trap a single molecule of water. The work appears in the journal Science

By Manuel Rueda JUNO BEACH, Fla (Reuters) - A plucky sea turtle has been released back into the wild off Florida's coast after months of intensive medical care to reverse damage caused by the propellers of a wayward motorboat. [More]

Citizen scientists help the Save the Redwoods League by recording observations of some of the world's largest trees [More]

By Elie Gardner of Nature magazine The Brazilian government has announced a plan to invest 3.16 billion real (R$; US$2.02 billion) in 75,000 science and technology scholarships by the end of 2014.

By Michael Hirtzer CHICAGO (Reuters) - Drought worsened in the Midwest during the last week as record-high temperatures stressed the developing corn and soybean crops, while cotton and pastures eroded amid a historic drought in the southern Plains.

Second in a three-part series . SUMMIT STATION, Greenland -- At first glance, this research station on the highest point of Greenland's vast ice sheet doesn't look like much. [More]

By Yoko Kubota TOKYO (Reuters) - Japan will replace three senior bureaucrats in charge of nuclear power policy, the minister overseeing energy policy said on Thursday, five months after the world's worst atomic crisis in 25 years erupted at Fukushima. [More]

Dear EarthTalk : I heard about something called the Green Caf

Four years ago this week, the Minneapolis I-35W bridge collapse killed 13 people and injured 145. More recently, more than one in four U.S. bridges were found to be either structurally deficient or functionally obsolete, according to a 2009 study by the U.S

Walking down a residential street in the evening, you might find yourself glancing through the brightly lit windows of the houses you pass. As you peek inside, you take stock of the occupants’ selections: the mahogany chaise lounge with the curved armrests in one house, the sleek leather couches and minimalist paintings in another

Calculus does not have to be made easy--it is easy already. That banner used to grace the Los Angeles classroom of someone once called the best teacher in America. Jaime Escalante, the unconventional calculus teacher who was depicted by Edward James Olmos in the 1988 film Stand and Deliver , died last year of cancer at the age of 79.