New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own. The core of a massive ...

Hours after Israel’s assassination of Iranian security chief Ali Larijani on March 17, a little more than two weeks into their war, Iran fired a series of deadly cluster missiles at central Israel in ...

Specks of orange light streak across the night sky as air raid sirens wail in the background. It is an unnerving spectacle that has become a feature of the war here, as Iran has increasingly outfitted ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form. When you purchase through links on our ...

Researchers at the Penn State Cancer Institute have been analyzing cancer registry data from over the past five years or so. What they found is that there’s a 15-county stretch in Pennsylvania where ...

Though Pyongyang has largely pulled its soldiers off the front lines in Ukraine, it is expanding the types of ammunition it supplies to Russia. By John Ismay Reporting from Washington Russian forces ...

GENEVA, Sept 15 (Reuters) - Cluster munitions have caused more than 1,200 civilian casualties in Ukraine since Russia's full-scale invasion in February 2022, a campaign group said on Monday. Cluster ...

Countries that are not party to the treaty banning cluster munitions, including Russia and Ukraine, continued to use cluster munitions in 2024 and 2025, and Lithuania became the first country ever to ...