X-ray Pulsar XTE J1946+274 investigated with NuSTAR

Using NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) spacecraft, Russian astronomers have investigated a transient X-ray pulsar known as XTE J1946+274. Results of the study, presented in a paper published October 11 ...

New ultra-high energy gamma-ray source detected

Using the Large High Altitude Air Shower Observatory (LHAASO), astronomers have performed a search for new high-energy gamma-ray sources. As a result, they have identified a new ultra-high energy gamma-ray source, which received ...

Researchers discover how animals grow their pointy body parts

An interdisciplinary team at Monash University discovered a new universal rule of biological growth that explains surprising similarities in the shapes of sharp structures across the tree of life, including teeth, horns, ...

Researchers model avalanches in two dimensions

There's a structural avalanche waiting inside that box of Rice Krispies on the supermarket shelf. Cornell researchers are now closer to understanding how those structures behave—and in some cases, behave unusually.

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