Griff Witte

Fifty different vaccination strategies have yielded unexpected leaders and lessons about what works.

Polls have given Biden a national lead of around eight points. Surveys show a narrower, though still substantial, advantage in Pennsylvania.

Public health experts and local leaders say stay-at-home orders may be the only way to regain control.

Laughter and protests greeted the United States' embrace of continued fossil fuel production as global temperatures continue to rise.

As Europe walls itself off, the continent is left to reckon with what's become of its long-cherished humanitarian beliefs. And to many in Denmark, the chasm between reputation and reality looks particularly gaping.

After dodging questions for days, British Prime Minister David Cameron acknowledged Thursday evening that he had owned and profited from shares in an offshore trust set up by his late father.

The French interior minister said that police on Thursday foiled a terrorist plot by arresting a man believed to be at "an advanced stage" of planning an attack on French soil.

The Palace of Westminster has never seen a day quite like the one expected on Monday, when the walls will echo with a parliamentary debate over whether to ban Donald Trump -- leading Republican contender for U.S. president -- from Britain.