U.S. lawmakers are at loggerheads over raising the limit on government borrowing. Here’s what to know about the debate.

While the "threat of a nuclear attack by terrorists has never been greater," the U.S. government has yet to make prevention the highest priority, says a new Council on Foreign Relations report that o…

An extraordinary series of events has caused Japan’s nuclear crisis but it appears backup safety systems were flawed, says nuclear expert Charles Ferguson. He expects the disaster to slow some nucle…

Some experts are sounding the alarm over rising inflation in the United States, despite assurances from the Federal Reserve. Here’s what to know.