Ursula von der Leyen, President of the European Commission, will take part in an upcoming phone conversation between U.S. President Donald Trump and Ukraine's Volodymyr Zelenskyy before their face-to-...

According to zoologist Joosep Sarapuu of Estonia's Museum of Natural History, mice are generally smaller than rats—close to half their size—and seldom share homes with them. This insight comes as the ...