World News

New technologies, including one fuel extracted from the atmosphere itself, could make flying more sustainable. But the challenges are many and the timeline is uncertain.

New Zealand’s outgoing prime minister won global fame with youthful charisma and a frank, compassionate leadership style that carried her through crisis.

Ukraine is rushing to prepare for a possible renewed Russian assault without the official who oversaw the country’s domestic security.

Their open letter to President Vladimir V. Putin is the latest in a series of public appeals from within Russia, despite his crackdown on dissent.

It was not immediately clear what caused the helicopter crash, near a kindergarten, but there were no initial signs that it had been shot down.

Ms. Ardern, a global liberal icon who has faced rising political headwinds at home, will leave office by Feb. 7, she said.

Boris Pistorius, the new defense minister, is seen as a skilled politician but, entering a world stage on which Ukraine is at war, he may pose a risk for Chancellor Olaf Scholz.

A demographics challenge has been building for years, but Beijing’s preparations are lagging. Now, many worry that current measures may offer too little, too late.

The crash in a suburb of Kyiv killed at least 14 people, officials said, including the interior minister, a top adviser to President Volodymyr Zelensky, who oversaw Ukraine’s domestic security.

The Biden administration is considering the argument that Kyiv needs the power to strike at the Ukrainian peninsula annexed by Russia in 2014.