Scientists have discovered the world's largest bacterium.
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European Union makes Ukraine a candidate for EU membership
Acting with uncharacteristic speed and unity, the European Union agreed this week to put Ukraine on a path toward EU membership.
NATO's eastern nations want better protection from alliance
Nine NATO nations on the alliance's eastern flank held talks Friday in Romania ahead of a key NATO summit later this month, with some leaders urging NATO to step up protections for them in light of Russia's protracted war against Ukraine.
'Huge' explosion rocks St. Vincent as volcano keeps erupting
La Soufriere volcano fired an enormous amount of ash and hot gas early Monday in the biggest explosive eruption yet since volcanic activity began on the eastern Caribbean island of St. Vincent late last week, with officials worried about the lives of those who have refused to evacuate.