This week in science news: Researchers are calling to exploit sewage waste and manure to break U.S. synthetic fertilizer ...

Volodymyr Zelenskyy has warned of Russia's "truly global threat" after Ukraine was hit by deadly Russian attacks overnight. A 12-year-old boy was among those killed in the capital, Kyiv. Russian ...

Here's the latest situation along the frontline in Ukraine. Earlier this week, Russia's army chief claimed its forces had taken more than 650 sq miles of Ukraine's territory since the start of this ...