The chemicals were confirmed to be toxic. The Letterkenny Public Affairs ... as of 1:05 p.m. The leak caused a massive acid gas cloud over the facility. "There was a gas cloud, and again that ...

For several years now, we've been following a tantalizing story indicating that the high heat of the ash cloud generated when Mount Vesuvius erupted in 79 AD was sufficiently hot to turn one of the ...

Invisible to the human eye, a noxious cloud was detected near Titan's south pole at infrared wavelengths by the Composite Infrared Spectrometer, or CIRS, on the Cassini spacecraft. A fast, simple ...

Toxic gas which on Thursday leaked from tanks ... causing a chemical reaction that sent a large white cloud into the sky. Guaruja Mayor Maria de Antonieta de Brito asked people to stay home ...