Nearly five months into what Russia had planned as a swift invasion, Ukraine has preserved its sovereignty and pushed back Russian forces in some areas. Since the Russian capture of eastern Luhansk ...

The race to create vaccines against the novel coronavirus is entering a critical stretch, with several candidates that were first out of the gate beginning to release late-stage trial data and ...

As a boy in the 1960s, David Wagner would run around his family’s Missouri farm with a glass jar clutched in his hand, scooping flickering fireflies out of the sky. “We could fill it up and put it by ...

More than 10.3 million hectares (103,000 sq km) of land - an area the size of South Korea - have been razed by bushfires across the country in recent months, with the east coast particularly hard hit.