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Astronomers meeting in Prague are considering a new definition for the word "planet." Under the new rules, Pluto would still qualify as a planet, despite its small size. But some say the rules would open the door to dozens of new planets.

A federal judge sided with the insurance industry in a high-profile test case on flood damage from Hurricane Katrina. The couple who filed the case argued that wind caused most of the damage to their home. But the judge ruled the bulk of destruction was caused by flooding, and their policy didn't cover flood damage.

It's day two of a clampdown at U.S. airports following reports of a foiled terrorism plot in the U.K. How are things going at Boston's Logan Airport? Are travelers prepared?

From the Lebanese city of Tyre, Matthew McAllister, a journalist for New York Newsday, discusses the "violent spasm" on the last day before the cease-fire cost of the conflict.

Facing competition from kids' programs like Dora the Explorer, the perennial Sesame Street has developed Abby Cadabby. She embraces her inner fairy princess, wings, wand and all. Our commentator says it's nice to see a muppet who's not afraid to be feminine.

While much of the world's attention is focused on North Korea's failed test of an intercontinental ballistic missile, some analysts say a bigger threat is posed by the country's short- and medium-range missiles. The smaller missiles can reach Japan.

The Texas Republican Party abandons its court fight to replace former House Majority Leader Tom DeLay on the November ballot. Supreme Court Justice Antonin Scalia rejected the party's request to block an appeals court ruling that says DeLay's name should remain on the ballot.

The Transportation Security Administration modifies some of its air-travel safety rules regarding liquids and other carry-on items over the weekend.

Louis Eppolito was a decorated New York cop who came from a longtime mob family. Then he was convicted of working as a mob hit man. But his conviction was recently overturned on a technicality.

The international AIDS conference in Toronto is looking at the public's continuing fear of being tested -- one of the main barriers to treatment around the world and in the United States. In Houston, for example, African Americans live in denial of HIV, even though many of them may have the disease without knowing it.