The conditions outside a cruising airliner are those of intense cold, thin air, and potentially lethal atmospheric conditions.

Oxygen isn’t just the stuff we breathe. Rocket propellant depends on oxygen, and future explorers will depend on producing propellant on Mars to make the trip home,” Jim Reuter, associate ...

Toronto Fire Services says one person has died inside an encampment that caught on fire in the Don Valley area. Fire Chief Jim Jessop said firefighters were called to Credit Union Drive, near the Don ...