New screening measures at U.S. airports are being called overly intrusive by some passengers and civil rights groups. National security experts advise using a system that relies more on intelligence,…

Buoyed by high oil prices, Russia finds itself embroiled in a number of disputes with foreign firms looking to tap its underdeveloped oil fields and with its neighbors that grew used to subsidized ga…

President-elect Barack Obama made many promises on defense spending and strategy during his two-year run for the White House. But analysts say economic constraints and political pressure could make i…

Backgrounder: Experts say more should be done to reduce risk on both passenger and freight rail.