Elon Musk has become a key figure in President Donald Trump's administration, heading up the Department of Government ...

Astronomers have discovered a truly ancient monster: a radio jet 200,000 light-years wide, originating from when the universe ...

A father who was inside his car when a medevac jet crashed in a Philadelphia neighborhood last week was among seven killed in ...

Just offshore of the towering national monuments of Washington, a tall crane now hovers over the Potomac River. It casts a ...

"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

Transportation safety investigators are seeking to determine if the pilots of the American Airlines plane detected danger ...

The Learjet crashed less than a minute after takeoff from Northeast Philadelphia Airport on Jan. 31 near a residential area ...

The oil and gas giant has sold its 10-seater Dassault Falcon to a US buyer, just as quietly as it bought it originally.