Fed up with junta's haphazard relief efforts, volunteers step in to assist cyclone victims.

Administration repeatedly disregarded lawyers' warnings that its Guantanamo Bay detention policies would likely come under judicial scrutiny.

As McCain offers defense of NAFTA, his camp seeks to portray Obama as inconsistent on free trade.

As gas prices soar, consumers are running into pay-at-the-pump credit card limits -- often $75.

Discovery of frozen water is a key clue in determining whether planet once supported life, scientists say.

State may bring little clarity to contest; while Clinton remains the favorite to win popular vote, her delegate gains are not likely to be significant.

What will it take to be declared the winner? Could there still be a Democratic dream ticket?

Historic reversal for some U.S. women is more pronounced in rural, low-income areas.

In allegation U.S. denies, inmates claim to have been given drugs against will before questioning.

Recent priest killings follow years of violence, leaders say.

Court decides case that mixes presidential power, international relations and death penalty.

Error raises questions about weapons systems safeguards and fuels criticism from China, a staunch opponent of a militarized Taiwan.

Security forces target feuding militias that have turned city into one of Iraq's most dangerous zones.

Analysis | Will the Democratic race end with today's results? Will Clinton hold her base?

Senator faces two critical tests as she seeks to snap Obama's 11-contest winning streak, keep alive her chances at Democratic presidential nomination.

Study of women who took hormones finds cancer risk remained elevated well after quitting.

Ecuadoran leader says entire region is in danger in wake of Colombia's cross-border attack on rebels.

The new green consumer wants to conserve without hand-me-down clothes and out-of-date carpeting.