An international team of researchers says it has spotted the largest rotating structure of dark matter and gas-rich galaxies.

Avi Loeb reports new telescope observations of interstellar object 3I/ATLAS, describing a periodic wobble in its anti-tail and what it reveals about rotation ...

Objects rotating at high speed are a feature of modern engineering in various fields, and online inspection of them is a critical challenge. A project at China's Jinan University has now developed a ...