It was in the 17th century that Christiaan Huygens and Giovanni Cassini first revealed Saturn’s stunning rings, changing the ...

The team behind the pollution-monitoring tool Plume Pittsburgh is taking its models global. Carnegie Mellon University’s ...

A climate group led by Al Gore has expanded a new modeling tool to visualize the often-invisible health threat.

A SpaceX rocket illuminated the night sky with its exhaust plume after launching Sunday from the Vandenberg Space Force Base near the Santa Barbara County coast. The SpaceX Falcon 9 rocket launched ...

"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious in making that assumption just because of the composition of the plumes." ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be erupting again. But fortunately, this was not an eruption — just a ...

The plume of the so-called "forever chemicals" at the Vermont Yankee nuclear power plant, the result of a 2004 fire at its ...