The Russians have used nuclear bombs at least five times to try to seal off gas well fires, and it usually worked.
Despite a surge in interest, electric cars may remain niche products in the world's two largest auto markets. Advocates disagree.
The science and history behind oil spills.
Latest figures show the US economy’s strongest job creation performance in three years. That's good news for Obama, but amid high unemployment, he also needs to stress the plight of out-of-work Americans.
The Bush administration agreed to store nuclear waste from 21 new reactors. But the federal government still can't meet its commitment to find permanent storage.
Currently, the US has no permanent disposal site for nuclear waste. A new presidential commission is exploring ways to solve the problem of storing highly radioactive spent nuclear fuel.
More than three years ago, scientists working with NASA's Chandra X-Ray Observatory announced that they have found direct evidence that dark matter exists in the universe. Dark matter is one of the holy grails of astronomy since little is known about it though theories say it accounts for 90 per cent of the matter of the Universe. In this image, a purple haze shows dark matter flanking the "Bullet Cluster."
As President Obama boosts energy efficiency through Cash for Caulkers, home weatherization will receive rebates.