Travelers no longer have to guess whether they got a decent deal on airfare or not. There’s now a straightforward formula that can reveal whether those plane tickets are a good deal – or something to skip.

Department stores need to close hundreds of locations if they want to regain the productivity they had a decade ago, according to new research from Green Street Advisors.

A tanker from Louisiana loaded with U.S. natural gas arrived in Portugal, the first shipment in a trade relationship that could shake up the European market.

Much more is highlighted in A Look Around the Nation and the World.