National

Poets, novelists and songwriters have described it in countless turns of phrase, but at the level of biology, love is all about chemicals. Although the physiology of romantic love has not been extensively studied, scientists can trace the symptoms of deep attraction to their logical sources.

One of America’s top World War II fighter pilots, an African-American who took on Nazis abroad and racism at home, was to be laid to rest Friday at Arlington National Cemetery. Retired Air Force Lt. Col. Lee A. Archer, one of the famed Tuskegee airmen, died last month in New York at the age of […]

Three people were killed and at least one was wounded Friday in a shooting at the University of Alabama in Huntsville, a spokesman for the university said.

The Olympic Torch Relay and Chris Wheeler journey through North Vancouver from Lynn Canyon to Grouse Mountain where it travels to the peak of Vancouver!

Former President Bill Clinton was taken to a New York hospital on Thursday with chest pains, a White House official said.

Former President Bill Clinton has been hospitalized in New York City, NBC News has confirmed.

The mountains and valleys of southwestern Pennsylvania seem a world away from Washington, but they may soon be the scene of a fierce campaign battle between Democrats and Republicans. Monday's death of Democratic Rep. John Murtha triggers a special election for his office, and conventional wisdom says the GOP has a good chance to pick up a House seat.

For Mary Calhoun Brown, the term "Asperger's" is crucial to conveying to schools that although her 15-year-old son has had social difficulties, he has a near-genius IQ and great speaking ability. "If I call it 'autism,' that's going to raise a lot of red flags for people who don't know him," said Brown, author of the novel about autism "There Are No Words."

A new study brings researchers one step closer to unraveling a medical mystery that has perplexed scientists for thousands of years: What causes people to stutter?

There is no clear theme linking the fires, which have struck various church denominations -- Methodist, Baptist, Church of Christ Scientist -- on different days of the week and at different times of the day, he said. And while the churches are in small towns -- such as Wills Point, which has a population of about 3,800 people -- not all the fires were in remote locations, Crowley said.

Iranian authorities have imposed a virtual information blockade after opposition leaders issued a call for supporters to take to the streets during an important government anniversary on Thursday, people inside the country are saying.

A winter storm has halted operations at some airports in the Northeast, and thousands of flights have been canceled. No flights will operate at Reagan Washington National or Dulles International airports on Wednesday, according to Washington Metropolitan Airports Authority spokeswoman Tara Hamilton.