The largest survey of our universe ever conducted suggests that it closely matches the model most favored by cosmologists. It ...

Global nuclear tensions and the threat of World War Three seem to have ratcheted up to a new high as President Joe Biden has ...

The US president-elect says he will pull the country out of international treaties and partnerships. That need not lead to ...

Data: Institute for the Study of War and AEI's Critical Threats Project. Map: Axios Visuals Tuesday marks 1,000 days since explosions jolted Kyiv awake on Feb. 24, 2022, Russian troops mounted ...