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The National Transportation Safety Board (NTSB) on Tuesday revealed that the U.S. Army Black Hawk helicopter involved in a fatal midair collision near Ronald Reagan Washington National Airport ...

Beauty on the Wing: Life Story of the Monarch Butterfly is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV ...

The National Transportation Safety Board (NTSB) on Tuesday said the Army Black Hawk helicopter that crashed into a PSA Airlines CRJ700 airliner on Jan. 29, killing 67, was flying too high.

Mon, February 10, 2025 at 10:26 PM UTC ...

Virginia Army National Guard pilot Jo Ellis was not flying the Black Hawk helicopter involved in the collision. The Army identified the soldiers killed in the crash as Staff Sgt. Ryan Austin O ...

Scientists usually study butterfly lifespans by marking them, and then either recapturing or observing them later. Researchers can also estimate a butterfly’s age by the condition of its wings. All ...

But while the investigation into the crash has only just begun, President Donald Trump has publicly blamed the helicopter for flying at too ... The UH-60 Black Hawk helicopter’s unit, the ...

What happens when the biodiversity witnessed by one generation fades into memory the next? These questions are crossroads at ...