The U.N. chief ratcheted up his warning about climate change and said the world's thirst for fossil fuels is a “Frankenstein ...

The ceasefire has held since going into effect on Sunday, although Trump said at the start of the week that he was not ...

A speech by the U.N. chief, economic growth potential in places like China and Russia, the challenges of artificial ...

Iran must make a first step towards improving relations with countries in the region and the United States by making it clear ...

European lawmakers weighed in on what a second Trump presidency means for trade, alliances and climate change.

Grossi said last month that Iran had informed the International Atomic Energy Agency that it would "dramatically" accelerate enrichment of uranium to up to 60% purity ...