Jeffrey Harsh admits he would try just about anything to save the prairie dog.
More ominous signs had scientists saying Wednesday that a global-warming ''tipping point'' in the Arctic seems to be happening before their eyes: Sea ice in the Arctic Ocean is at its second lowest level in about 30 years.
Talk about an extreme makeover: Scientists have transformed one type of cell into another in living mice, a big step toward the goal of growing replacement tissues to treat a variety of diseases.
Western leaders warned Russia on Wednesday to ''change course,'' hoping to keep a conflict that already threatens a key nuclear pact and could affect the U.S. meat and poultry industry from broadening into a new Cold War.
Pakistani troops drove off a Taliban attack on a fort and pounded another band of militants holed up in a health center.
The United States is spending more money than ever on private security contractors in Iraq as thousands of troops return home amid steady declines in insurgent attacks, federal records show.
Congress and the Bush administration headed for a pre-election showdown Wednesday over the issue of executive privilege.
Two years after Time magazine named him one of the 10 best U.S. senators, Arizona's Jon Kyl is getting more high marks, this time from the people who know Capitol Hill the best.
Alaska's Republican Old Guard talked tough Wednesday after a bruising primary, sounding confident they can prevail in the November general election despite criminal probes.
More than a quarter of the U.S. intelligence agencies' employees are outside contractors, hired to fill in gaps in the military and civilian workforce, according to a survey of the 16 intelligence agencies.
The Justice Department on Wednesday recommended a dramatic reduction in the prison sentence of imprisoned lobbyist Jack Abramoff, who became the key witness against lawmakers and congressional aides he spent years corrupting.
Amber Pennell was trapped for five days in her mangled pickup truck, hidden under vines in a steep ravine in western North Carolina only 150 feet away from a four-lane highway.
When a computer system that distributes flight plans nationwide came rolling to a halt this week because of a software glitch, so did airplanes on tarmacs from Orlando to Chicago.
A measure that would decriminalize minor marijuana-possession cases is on the ballot in Massachusetts largely because of one man: George Soros, the billionaire financier and liberal activist.
Sen. Barack Obama has been formally selected as the Democratic nominee, but his party still managed a surprise during the nomination.
The Obama era has begun in the Democratic Party.
Thousands of anti-war demonstrators converged near security gates outside the Democratic National Convention hall on Wednesday, chanting slogans and asking to talk to party officials about getting U.S. troops out of Iraq.
Barack Obama's youthful image may have helped propel him to the Democratic presidential nomination.
Democrat Barack Obama's selection of Joe Biden as a running mate is complicating Republican John McCain's analysis of his prospective contenders for vice president.
College students celebrate their 21st birthdays with an average of 12 drinks for men and nine for women, finds the most in-depth picture yet of the consequences of extreme partying.
Government regulators on Wednesday cleared the way for broader use of a blood test that can spare heart-transplant patients the ordeal of repeated biopsies to check if their bodies are rejecting the new organ.
Check recent results of health inspections for restaurants, schools and grocery stores.
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