When the ornithologists published their paper in 1939, they compared hummingbirds to the German Focke-Wulf helicopter. In the United States, Crawford Greenewalt had served science on the opposite ...

In a new paper published in Advanced ... "This was a multi-faceted project that brought together various elements from material science, machine learning, chemistry and mechanics to help us ...

In a new paper published in Advanced ... "This was a multi-faceted project that brought together various elements from material science, machine learning, chemistry and mechanics to help us ...

In a new paper published in Advanced ... “This was a multi-faceted project that brought together various elements from material science, machine learning, chemistry and mechanics to help us ...

The Black Hawk helicopter that crashed into an American Airlines plane was alerted to the plane’s presence by air control twice, the first time at least two minutes before the deadly crash ...

The Army has identified the third soldier aboard the Black Hawk helicopter involved in Wednesday’s deadly midair collision near Reagan National Airport after it had been initially withheld.

By Eric Schmitt Reporting from Washington The Army has identified the third crew member of a Black Hawk helicopter who died in the collision with a commercial jet in the skies over Washington last ...

Chong Zhe Min (PH-Kampar) accused the Opposition of making unfair comparisons between leasing the helicopters and the littoral combat ship (LCS) project. “This is not a fair comparison.

All of the "major" pieces of wreckage from the collision between a Black Hawk helicopter and American Airlines Flight 5342 have been cleared from the Potomac River, officials said. The recovered ...

Investigators have found that a rare failure of a critical part in the transmission system caused the crash of a coast guard Dhruv advanced light helicopter (ALH) at Porbandar in Gujarat on ...