The jet stream is a powerful and fast-moving air current that flows high in the atmosphere, typically between 10,000 and ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back ...

Air ambulance flight crashed near Roosevelt Mall about 30 seconds after taking off from Northeast Philadelphia Airport, potentially killing six ...

A medical transport jet crashed in Philadelphia on Friday about 30 seconds after taking off, setting homes ablaze and ...

The child had been treated in Philadelphia for a life-threatening condition and was being transported home to Mexico.

New footage has emerged of the mid-air collision between an American Airlines passenger jet and a military helicopter - as ...

Nineteen bodies have been pulled from Potomac River in Washington DC, US, after an American Airlines jet carrying 60 passengers collided with a Black Hawk military helicopter at Reagan Washington Nati ...

A regional passenger jet carrying around 60 people collided mid-air with a military helicopter near Ronald Reagan National ...

Officials are examining black boxes from both aircraft and say they appear to be in good condition and may provide details on what went wrong.