In a major bet last summer, Ukraine launched a daring offensive on Russian soil, the first invasion of Russia since World War II. That incursion into the Kursk region stunned Moscow and provided a much-needed morale boost for Ukrainians, but…

In a major bet last summer, Ukraine launched a daring offensive on Russian soil, the first invasion of Russia since World War II. That incursion into the Kursk region stunned Moscow and provided a much-needed morale boost for Ukrainians, but…
A New York Times investigation reveals that the United States was much more involved in Ukrainian military operations than publicly disclosed. Adam Entous, a Times investigative reporter, breaks down a key moment in the war when the Biden administration changed…
More than a month after Washington and Kyiv first haggled over a deal to grant the United States a major stake in Ukraine’s mineral, oil and gas development projects, the two sides are back to square one in the negotiations.…
European leaders have gotten the message from Washington about doing more for their own defense and for Ukraine, too. They are talking tough when it comes to supporting Ukraine and about protecting their own borders, and they are standing up…
Ukraine thought it had a deal in place to suspend the fighting in the Black Sea immediately. Russia said economic sanctions would need be lifted first. And the United States didn’t address the question of timing at all, merely repeating…
Once called Thule Air Base, now known as Pituffik Space Base, this U.S.-operated installation in northwestern Greenland is one of the most strategically important military sites in the world — even if most Americans have never heard of it. “It…
Russia and Ukraine have agreed to cease fighting in the Black Sea in a U.S.-brokered deal, but it remains unclear whether the agreement can come into force soon — if at all. Russia had a major caveat: it would abide…
The White House said Tuesday that Ukraine and Russia had agreed to cease fighting in the Black Sea and to hash out the details for halting strikes on energy facilities. It would be the first significant step toward the full…
Ukrainian and U.S. officials on Tuesday held a second session of negotiations in Saudi Arabia to discuss a possible limited cease-fire, a day after Russian and American delegations held similar discussions that lasted more than 12 hours. Kyiv and Moscow…
When the nation’s intelligence chiefs go before Congress on Tuesday to provide their first public “Worldwide Threat Assessment” of President Trump’s second term, they’ll face an extraordinary choice. Do they stick with their long-running conclusion about President Vladimir V. Putin…