George Pólya’s random walk theorem absolved him of being a lurker and revealed how the laws of chance interact with physical ...

The Pentagon on Friday night released a long-awaited strategy that prioritizes the U.S. homeland and Western Hemisphere — a stunning reversal from previous administrations that aligns with President ...

WASHINGTON (AP) — The Pentagon released a priority-shifting National Defense Strategy late Friday that chastised U.S. allies to take control of their own security and reasserted the Trump ...

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President Donald Trump’s National Security Strategy (NSS) appears to cement a radically different US approach to international relations. “The days of the United States propping up the entire world ...

As Trump 2.0 approaches its first anniversary, the administration’s vision has come into sharper focus than its predecessor’s on both the domestic and foreign policy fronts. In the realm of foreign ...

For decades, America’s chief adversaries, Russia and China, have been striving to upend the U.S.-led post-World War II international order. For just as long, the U.S. government has published national ...

The Trump administration’s 2025 National Security Strategy is, in many ways, unlike any in U.S. history. Most strategy documents of this kind articulate the threats that the United States’ adversaries ...

Sign up to receive CFR President Mike Froman’s analysis on the most important foreign policy story of the week, delivered to your inbox every Friday afternoon ...

Mr. Simon held senior positions in the State Department and at the National Security Council. Mr. Stevenson served on the National Security Council staff during the Obama administration. Even ...

Several prominent congressional Democrats on Saturday slammed the Trump administration’s national security strategy, claiming it favors President Trump’s business interests and weakens U.S. influence ...

WASHINGTON — President Donald Trump's administration has set forth a new national security strategy that paints European allies as weak and aims to reassert America's dominance in the Western ...