PHYS.Org: A source of extremely high-energy particles in the Milky Way identified

On Aug. 12, I get to fulfil a lifelong ambition. I’ll take a flight to Madrid and travel northwest to the city of Valladolid by rail, before striking out for Valoria la Buena — a charming town in central Spain with a population of less than 1,000. There, I’ll bear witness to one of the…

(it is incomplete) can anyone explain what an observer in the 4th dimension will observe if a star falls in a black hole . submitted by /u/FishermanSafe7346 [comments]

Under Government Decree 179/2026/ND-CP, students admitted to eligible programmes who meet entrance score requirements or are directly admitted, and rank among the top 30 per cent of entrants, will be eligible for Government scholarships. The scholarships will be renewed annually based on academic performance and conduct. The Government’s Decree 179/2026/ND-CP, which takes effect on July…

NASA’s James Webb Space Telescope takes us 4.4 billion years in the past with this July 3, 2026, image of a young galaxy cluster, MACS J0553.4-3342. The cluster is composed of two actively merging sub-clusters, roughly equal in mass. Each sub-cluster is anchored on an immensely bright and massive elliptical galaxy, easily identifiable as the…

Praying mantises have fascinated people for centuries. Across different cultures, they have been viewed as everything from mystical guides that help lost travelers find their way home to ominous creatures associated with bad luck. Beyond the legends, native mantises also play an important ecological role by serving as indicators of healthy, biodiverse ecosystems. Now, however,…

Researchers are trying to make human sperm (shown here in a colourized electron microscope image) from stem cells in the lab.Credit: Juergen Berger/Science Photo Library It sounds like science fiction: collecting a person’s blood cells, engineering them so they eventually transform into immature sperm, and then incubating them in a tiny pouch grown on a…