Saudi border guards demonstrate their skills during their graduation ceremony near Riyadh, Saudi Arabia.
North Dakota Gov. Jack Dalrymple wants to expand his state's oil pipeline capacity, after the state's oil production reached the 1 million barrels per day mark. But, many worry about the potential environmental consequences such as oil spills.
Just this January, the National Transportation Safety Board outlined helicopter safety as a major advocacy priority, citing 'an unacceptably high number of helicopter accidents.'
New York City's fatal pipeline blast focuses new attention on the aging pipeline infrastructure, some of it more than a century old. With the natural gas industry needing at least 29,000 more miles of pipeline to meet new demand, can the system expand and become safer at the same time?
Malaysia Airlines Flight 370: Communication satellites heard electronic pings from the flight for four hours after the plane went missing. The US Navy guided-missile destroyer, USS Kidd, is now en route to Strait of Malacca, west of the Malaysian peninsula, to continue the search for the missing jet.