ARLINGTON, Va. — A passenger jet collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the ...

A passenger jet collided with a helicopter while landing at Ronald Reagan National Airport on Wednesday evening, prompting a large search-and-rescue operation in the nearby Potomac River.

LONDON — The size of human beings has increased over the past century thanks to better health and nutrition — but this change has not occurred equally among men and women, a new study shows.

The global high-temperature industrial burner market is poised for significant growth, with a projected valuation of USD 1.61 billion in 2023 and an anticipated compound annual growth rate (CAGR) of 3 ...