Tensions between India and Pakistan have risen sharply in the weeks since a terrorist attack in Kashmir. On Wednesday, India hit Pakistan and appears to have lost at least a few planes in the strike.

The Israeli military said it had intercepted an unmanned vehicle a day after President Trump said the U.S. would step back from conflict with the Iran-backed group.

Staffing shortages at an air traffic control center have added to the effects of a runway closure, prompting United Airlines to cut flights at the hub.

The government announced a raft of aviation safety measures after a Jeju Air crash late last year that killed 179 people, including upgrading airport infrastructure.

The convenience of shipping comes with a cost. But under some circumstances, it may be worth it — and there may even be some savings if you factor in other elements.

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association assessment says.