Gulfstream's high-altitude flight tests with 100% sustainable aviation fuel show significant reductions in contrail-forming ...

Scientific debate is getting heated over what to do about airplane contrails—the wispy lines of water vapor you often see trailing behind a jet. Those harmless-looking vapor trails sometimes spread ...

Gulfstream Aerospace has completed a high-altitude flight test campaign examining whether 100% neat sustainable ...

American Airlines and Google were able to cut contrails made by jets by more than half during a small trial, a move that could significantly reduce the global-warming footprint of the travel industry, ...

Update at 2147 GMT on Wednesday: The Pentagon says the contrail was caused by a plane. “We have no evidence to suggest that this was anything other than a contrail caused by an aircraft,” Pentagon ...

Not every high-flying jet produces a jet contrail. Conditions have to be just right. That includes the altitude, temperature, and moisture at flight level. Jet contrails are usually produced at ...

NASA will host a media day on Jan. 10 to spotlight a partnership mission with the German Aerospace Agency (DLR) called the Multidisciplinary Airborne Experiment (ND-MAX). ND-MAX research objectives ...

For three days after September 11, the Federal Aviation Administration grounded commercial aircraft in the U.S., stranding travelers, hindering mail delivery and interrupting courier service, but for ...

Update at 2147 GMT on Wednesday: The Pentagon says the contrail was caused by a plane. “We have no evidence to suggest that this was anything other than a contrail caused by an aircraft,” ...