Iranians have been seen taking to the streets to react to the death of supreme leader Ayatollah Ali Khamenei, in video clips that began to emerge after the attack on Saturday. US President Donald ...

Toward the right side of the periodic table below oxygen, are the chalcogens, or "ore-forming" elements. The chalcogens that ...

A Korean research team, led by Dr. Young Kyu Hwang, Dr. Kyung-Ryul Oh, and Dr. Jihoon Kim at the Korea Research Institute of Chemical Technology (KRICT) has developed a circular low-carbon catalytic ...

LONDON, March 1 (Reuters) - Iran's Supreme Leader Ayatollah Ali Khamenei was killed in U.S. and Israeli strikes, state media confirmed as another wave of attacks hit the country on Sunday. Below is ...

A young Iranian protester shouts anti-U.S. and anti-Israeli slogans during an anti-war protest against the U.S. and Israeli military attacks, in Tehran, on Feb. 28, 2026. Reporter World leaders ...

After the U.S. and Israel launched airstrikes on Iran early Saturday, Iran retaliated by firing missiles at targets across the region. The scope of the war continued to widen in its second day, and ...

Immerse yourself in the most compelling and consequential stories from around the globe. The world is changing in big ways every day. State of the World from NPR takes you where the news is happening ...

Objective To systematically review and synthesise patellofemoral joint reaction force (PFJRF) in healthy individuals and those with patellofemoral pain and osteoarthritis (OA), during everyday ...