A team at the University of Calgary is making scientific advances in understanding plant adaptation, which could ultimately be used to find ways to make agricultural crops more resilient to heat ...

Ukraine's air force says one of its F-16 fighter jet pilots completed a "world first" last month by shooting down six Russian missiles during a single deployment. The pilot shot down the cruise ...

The circumstances around the crash remain unclear, but limited evidence so far suggests it may have been damaged by missiles fired by a Russian air-defence system as it tried to land in Chechnya ...