Another invisible line is the Qinling-Huaihe line, which separates China into two distinct regions: the humid and subtropical south and the dry, temperate north.

WASHINGTON (AP) — The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National ...

Describing something as a “Continuity of Government” operation is a blanket term. The helicopter unit out of Fort Belvoir ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...

The writer offers suggestions for people losing their sight – and the counselors that help them Elinor Waters, EDD, is a ...

Marcus Garvey ignited one of the most phenomenal social movements in modern history and was admired around the world. Yet few ...

Retired Delta pilot Mark Stephens says there are two airports on the East Coast that he considers particularly dangerous: ...

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Impact occurred at an altitude of about 105 metres, according to flight-tracking data, which would put it outside of the standard path for the helicopter route.

Albert Birney’s endearingly crafted idiosyncratic vision of life consumed by media dabbles in darkness while on a quest to ...