BP Shifts Gears in Gulf Oil Fight

A top BP executive said there was "no certainty" that the company's latest fallback attempt to control the oil spill would work. BP now plans to try to contain the flow with a "lower marine riser package," or cap.

Franchitti Wins Indianapolis 500

Dario Franchitti drove 199 nearly flawless laps, then survived the last one with a huge break from a spectacular crash to climb back on top of the open-wheel world with his second win at the Indianapolis 500.

Uncertainty in GOP Challenge to Reid

Senate Majority Leader Reid has spent the past few months pounding away at his presumptive Republican challenger, Sue Lowden. But support for a tea-party favorite, Sharron Angle, is surging.

Resurgent Wolves Stir Fears

After being hunted to near extinction, gray wolves have made a dramatic comeback. But the rise in population has raised concerns of those who cross paths with them.

Justice Backs Challenge of Ariz. Law

The Justice Department told the Supreme Court that federal law pre-empts an earlier Arizona law that took effect in 2008 establishing state penalties for employers that knowingly hire illegal immigrants.

Sestak Message Ran Through Clinton

Bill Clinton was used by the White House to try to nudge Sestak out of a Pennsylvania Democratic primary race for the Senate.

Mining for Hard Facts in Antarctica

Scientists are probing Antarctica's ancient ice. Their work could settle a central question in the dispute over climate change.

A Château in Arkansas

Frenchman Michel Guyot's obsession with castles has led him to begin construction on a 13th century model in Lead Hill, Ark., with laborers using ancient tools and methods.

Circus Returns to Palin's Hometown

The Sarah Palin media parade revved up again this week with news that author Joe McGinniss moved next door to the Palins while he works on a book about the ex-governor.

Static in Cellphone Study

The confusing findings of a study on the link between cellphone use and cancer illustrate how hard it is to analyze the potential for a small elevated risk in a rare disease from a widespread activity.

Luna Park's Fate Stirs Opinion

Coney Island's newest amusement park opens this weekend, completing the first stage of an effort to revitalize the seaside neighborhood after a bitter feud between city officials and real estate developers.