MOSCOW (AP) — Top Russian officials will hold talks with U.S. counterparts on restoring ties, Ukraine and preparing a meeting between Russian President Vladimir Putin and U.S. President Donald ...

Andrew Kramer, the New York Times bureau chief in Kyiv, explains how this would leave Ukraine divided in two: one side with its government in Kyiv, and the other a battered Russian satellite to ...

President Donald Trump said he didn't think the vice president said possible U.S. military action was a bargaining chip against Russia. The United Kingdom is boosting Ukraine's air defense with ...

By David E. Sanger and Steven Erlanger Vladimir Putin’s call with President Trump reinforced the Russian leader’s view that Moscow and Washington should decide the fate of Ukraine — and ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues ...

Russia’s president says that he is ready for new negotiations to take place and that Ukraine will not be excluded.