Interview with Ilia Delio on Pope Leo's first encyclical, focused on the challenges posed by artificial intelligence.

The world nuclear order exists only in the minds of those who postulate it. The history of nuclear power over the last 80 ...

The US National Science Foundation is planning to remove hundreds of ocean monitoring instruments from four sites in the Atlantic and Pacific Oceans. Scientists use data from the observational network ...

Renewed geopolitical competition, accelerating nuclear modernization, and the weakening of arms control frameworks have ...

To actively support multilateralism and uphold international law in the fields of arms control, disarmament and non-proliferation, China and the EU should work together directly in a variety of ...

The chance of an El Niño event emerging by July is now over 80 percent, which will likely make 2026 one of the hottest years on record. At the same time, an exceptionally large 9,000-mile marine ...

The war in Iran should alert responsible military and civilian leaders to the increased nuclear risk posed by a president who ...

The 11th Review Conference of the Non-Proliferation Treaty (NPT) ended last week as it had in 2015 and 2022, deadlocked over a single regional issue, in this case Iran. The draft declaration that ...

New 'transactional' US global health agreements offer US aid for combatting HIV and other health threats in return for what critics say is expansive US access to resources.

For AI models, there are currently no safety rules that govern the path of actions, which can leads to unanticipated consequences.

The Cold War-era nuclear order—in which the United States and the Soviet Union held sway, establishing treaties that set the nuclear rules for the whole world—has clearly and irreversibly come to an ...