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Unable to cope with the soaring cost of feed, American catfish farmers across the South are draining their ponds and wondering what comes next.

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Craig Grimes, a professor of Electrical Engineering at Penn State, has created a very practical gadget.

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Consider it the modern equivalent of Noah’s Ark: scientists say policy-makers should consider moving species outside their historic ranges to prevent extinction caused by climate change.

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The U.S. Air Force is using Web 2.0 technologies to better support its missions despite wariness about security.

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The best-case scenario for a transition to vehicles that run on hydrogen

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A grunting fish helps scientists to date the origins of vocal sounds to about 400 million years ago.

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A robot with empathy sounds like the stuff of sci-fi movies, but with the aid of neural networks European researchers are developing robots in tune with our emotions. The tantalising work of the Feelix …

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Since the G-8 last assembled in June 2007, food prices have reached unprecedented heights, threatening to push millions into poverty.

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Water was once widespread on Mars, data show, raising the prospect the planet could have supported life.

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Services to seven airports in mainland Europe will be halted for 45 days in November and December, the airline said in a separate statement.

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A salmonella outbreak that forced stores across the country to pull tomatoes from their shelves this summer was the latest motivation to buy locally grown produce.

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Blind people generally use computers with the help of screen-reader software, but those products can cost more than $1,000, so they’re not exactly common on public PCs at libraries or Internet cafes. Now a …

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lmost everything that consumers spent money on last month – from food to electricity and gasoline – took a bigger piece of their paychecks.

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Hybrid world: From avatar assistants to telehealth…

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Purdue University scientists have taken a page from air conditioner technology in their quest for a new way to cool down ever-more powerful computer chips. Their experimental system, which flushes a refrigerant through tiny …

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As mortgage foreclosures continue to rise, owners are opening their homes as a way to make ends meet.

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Why isn’t globalization making the interconnected world more stable?

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In this book, the author Philip P. Pan notes the huge obstacles facing China despite its booming economy and the growing prosperity of its citizens. Democracy and political and religious freedom remain elusive.

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The Australian government announced plans Wednesday for a carbon emissions trading scheme by 2010 that it described as the biggest economic reform for a generation.

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Engineering researchers have narrowed the search for the source of X-rays emitted by lightning, a feat that could one day help predict where lightning will strike.

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Exelon’s savings in greenhouse gas emissions by 2020 would come largely from new efficiencies, not investments in renewable energy.

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Technology research company Forrester predicts that by 2013, social software, the application of Web 2.0 for the enterprise, will grow at an annual rate of 43 per cent per year. This is quickly becoming …

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Surrey University researchers have discovered a way to use the spherical

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Regular columnist Bill Thompson says the virtual world still needs a lot of work if it is to replace the real world.

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Colorado River trip sees effects of years of US drough.