In Kharkiv this spring, air-raid sirens have sounded for hours a day. The city, Ukraine's second largest, was hit 76 times last month. Residents wonder when it will end

Most men in Ukraine are banned from leaving the country under martial law that was declared after the Russian invasion nearly two years ago. But some men who don’t want to fight in the war have taken risky journeys over the border into Moldova and other countries to avoid being called up to serve.

Last year, Ukraine's counteroffensive yielded few battlefield gains. Defence experts say as Ukraine grapples with a shortage of ammunition and troops, it is in need of a reset and rebuild.

As alarm bells sound over the buildup of Russian troops near Ukraine’s eastern border, those living in the rebel-held areas of Donetsk are already resigned to life under the shadow of a long war

A fractured opposition and government tactics to disqualify, silence opponents give ruling party upper hand

A Canadian born researcher is leading the largest ever study on trans gender athletes, amid a growing and contentious debate around biological differences and fair play.

Survivors of a shooting at a mosque in Christchurch, NZ, recount the horrific scene, while the entire city comes together to grieve

It was seen as a miracle when the Thai soccer team was found alive in the flooded cave, and rescuers from around the world pulled together for the risky and unprecedented rescue.

In Canada's warming Arctic, Pelly Island is disappearing faster than scientists can measure.