The changeable weather pattern is linked to the behavior of the jet stream — the river of fast-flowing high-altitude winds that divides warm and cold air. Over the next two weeks, the jet stream ...

The high-speed jet, a sixth-generation fighter ... It is being constructed under the Next Generation Air Dominance (NGAD) program, and is expected to replace the F-22 Raptor.

Global air travel surged to record levels last year, and airlines are consuming far less sustainable jet fuel than expected ... Unexpected setbacks, however, still loom large for many SAF plants ...