At Promontory Summit, Utah, the Central Pacific Railroad and the Union Pacific Railroad met on May 10, 1869 after 1,776 miles of track had been laid over six years.

Former NFL quarterback Steve McNair was killed in a shooting in Nashville, Tennessee, authorities said Saturday.

At the U.S. Army's Dugway Proving Grounds facility in the Utah desert, scientists look for ways to protect soldiers against various chemical and biological weapons they might encounter in combat.

In the days since 1,000 miles, Road Trip 2009 has visited some of the most incredible scenery America has to offer, as well as learned some of the most sobering military realities.

Two children were killed when a fire broke out in a high-rise apartment building in south London on Friday afternoon, officials said. Sixteen people were injured.

U.S. Vice-President Joe Biden has celebrated American patriotism and mocked the ghost of Saddam Hussein during a July 4 visit to Iraq. "That S.O.B. is rolling over in his grave right now," Biden said of the former Iraqi dictator, who was toppled by a U.S.-led invasion in 2003.

North Korea fired seven Scud-type missiles toward the Sea of Japan, said the South Korean government Saturday, calling the move "a provocative act." Four similar missiles were test-fired off the east coast Thursday, South Korea's Yonhap news agency reported.