A Chinese startup company will conduct research into a "suborbital airliner" powered by a ramrotor detonation engine.

By making direct arms purchases, New Delhi is missing out on the opportunity to acquire technology and to bolster its ...

Southern Californians are bracing for gusty winds and a heightened risk of wildfires, less than two weeks after the outbreak of deadly blazes that have killed at least 27 people and charred thousands ...