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Early risers in Texas saw something a little bit unusual earlier this week. A rare display of “meteor smoke clouds” — ...

Mysterious, wispy clouds glowing silvery-blue in color were spotted rippling over a West Texas town just before sunrise on Monday. The rare, cloud-like phenomena, known as noctilucent clouds (NLC), ...

NASA says its Atmospheric Waves Instrument (AWE) recorded a series of intense gravity waves at high altitudes during ...