Pine Island Glacier, one of the fastest-shrinking glaciers in Antarctica, hastened its slide into the sea between 2017 and 2020, when one-fifth of its associated ice shelf broke off as massive ...

Russian military jets were "not seen as a threat" when they flew through international airspace not far from the border with Canada and the United States, the North American Aerospace Defense Command ...

When aircraft release chaff, it creates a cloud of tiny metal strips that reflect radar signals. This makes it hard for ...