Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

Pushing the limits of structured light, applied physicists report a new type of optical vortex beam that not only twists as it travels but also changes in different parts at different rates to create ...

On Wednesday, President Donald Trump announced on social media that he’s issuing a 90-day pause on reciprocal tariffs to most nations, while raising U.S. tariff charges on China to 125%.