Witness a fascinating experiment where a smoke bomb is placed inside snow overnight to see how long the smoke stays trapped.

VATICAN CITY – All eyes are on the Sistine Chapel and a chimney installed on the roof that will produce smoke signals at the selection of a pope. Steeped in Catholic tradition, smoke has been used ...

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NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

The New York Times recently highlighted how wildfire smoke impacts health, but its coverage missed the mark by not addressing the nuanced science behind particulate matter. As researchers dive into ...