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The United States is in the midst of a helium shortage. Large-scale users are not yet in crisis mode, but helium is in short supply because several overseas plants aren't up and running. And soon, the federal helium program will shut down for nearly two weeks.

The plan, announced Tuesday, is designed to deal with drug-related violence by addressing the problem of U.S.-made guns being smuggled south by violent drug cartels.

No country in the world is more dependent on its computers than the U.S., making it uniquely vulnerable to attack. One official tells NPR that the Pentagon has experienced an "explosion" of computer attacks, currently averaging about 5,000 each day. But is the country ready to wage a cyberwar?

Google Book Search features an online repository that includes scans of more than 10 million books. But Google executives didn't ask the authors for permission, and now the company is in the midst of negotiations with authors and publishers over rights.

The American Civil Liberties Union in San Diego is condemning the federal government for recently revealed anti-terrorism measures. The Homeland Security Department collects personal data on all trave

The oil spill in the Gulf of Mexico is the worst spill in U.S. history. We'll examine the economic and environmental impact for California and San Diego, and whether the disaster is big enough to force a change in consumer behavior.

Political pollsters and pundits are telling us that the leadership in Congress could change hands as a result of next Tuesday's elections. KPBS political correspondent Gloria Penner tells us what a Republican majority in the House would mean to two San Diego legislators.

The U.S. Supreme Court is expected to weigh in Thursday on the constitutional meaning of the right to bear arms. It will be the last decision of the term.

The rope keeping the public away from the seals at the La Jolla Children’s Pool beach is back up. The controversy over the animals continues, but some visitors to San Diego don’t see why it’s an is

A top aide for Attorney General Alberto Gonzales says she will invoke the Fifth Amendment when testifying before the Senate Judiciary Committee. The committee wants to question Monica Goodling about the firings of eight federal prosecutors.