Airport security scanners have become such a routine part of flying that many travelers step inside without knowing what the machines actually do.

As the U.S. Army produces third-generation forward-looking infrared (FLIR) sensors, officials are exploring emerging capabilities that might be integrated into fourth-generation systems. FLIR ...

While a mosquito bite is often no more than a temporary bother, in many parts of the world it can be scary. One mosquito species, Aedes aegypti, spreads the viruses that cause over 100,000,000 cases ...

Stealth used to mean hiding from radar. NGAD goes further. By suppressing and managing heat, the next-generation fighter aims to disappear from infrared sensors and heat-seeking missiles as well. If ...