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science/physics

Betelgeuse's Turbulent Surface Revealed in Unprecedented Detail

Betelgeuse, one of the most recognizable stars in the night sky and a candidate for Earth's next visible supernova, has been mapped in unprecedented detail. Using advanced imaging techniques, astronomers have captured the star's turbulent surface, revealing a chaotic landscape of giant convection cells that churn

NASA's Nancy Grace Roman Space Telescope: Ames' Key Role in Upcoming Mission

NASA's Nancy Grace Roman Space Telescope represents one of the most ambitious space-based observatories in development, and when it launches, it will draw on significant contributions from NASA's Ames Research Center in Silicon Valley. The Roman Space Telescope is designed to tackle some of the most

Scientists Uncover Irreversible Genetic 'Highways' Shaping 600 Million Years of Animal Evolution

A sweeping genomic analysis has revealed that animal chromosomes do not evolve randomly, but instead follow a constrained set of irreversible "evolutionary highways" that have guided life for over 600 million years. The findings, drawn from examining thousands of animal genomes, suggest that genetic changes along these pathways

AI Identifies Six Methods for 3D Printing Rocket-Grade Alloys on Commercial Printers

The Challenge of Printing High-Performance Alloys Rocket engines and other high-stress aerospace components demand materials that can withstand extreme temperatures, pressures, and corrosive environments. Historically, this has meant using nickel-based superalloys—such as Inconel—that are notoriously difficult to process. Producing these alloys via additive manufacturing typically required bespoke industrial

First Intergalactic Stellar Stream Offers New Window into Dark Matter Distribution

Dark matter remains one of the most elusive components of our universe, making up roughly 27% of the cosmos yet stubbornly refusing to interact with light. Now, researchers have found an unexpected tool for probing this invisible substance: a ghostly ribbon of stars wrapped around a distant galaxy. The discovery

Researchers Image Molecular Wavefunctions in 3D for the First Time

Researchers have achieved a significant milestone in quantum imaging by capturing the complete 3D shape of a molecule's wavefunction—something long considered one of quantum mechanics' most elusive features. A team at the University of Göttingen combined advanced photoelectron measurements with newly designed algorithms to reconstruct the

NASA's Curiosity Rover Discovers Pure Elemental Sulfur on Mars

NASA's Curiosity rover continues to uncover surprising secrets beneath the Martian surface. In a recent analysis, the rover detected pure elemental sulfur in a rock sample collected from the Gediz Vallis channel on Mars. This discovery is noteworthy because sulfur on Mars is more commonly found bound in