NASA's New Mars Rover Takes Selfie With Helicopter in Background. by Victor Tangermann. 4.8.21, 11:28 AM EDT. ... the helicopter will attempt to hover at ten feet over the surface for up to 30 ...

If you see a low-flying helicopter hovering above the route of the Boston Marathon, there’s no need to worry. Authorities said low-altitude helicopter flights will be conducted Wednesday through ...

This morning, a Department of Energy helicopter buzzed above cities and suburbs in eastern Massachusetts, scanning for radiation in advance of the 125 th Boston Marathon. The sweep is part of ...