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Phys.org / How old is the universe? The oldest stars give us a clue
Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other institutes have proposed a new way to address the Hubble tension by comparing estimates of the universe's ...
Phys.org / Scientists successfully harvest chickpeas from 'moon dirt'
As the U.S. plans to return to the moon with the upcoming Artemis II mission, a question endures: What will future lunar explorers eat? According to new research from The University of Texas at Austin, the answer might be ...
Phys.org / Why are some stars always visible while others come and go with the seasons?
As a space scientist, every time I go outside with my family, I tell my children to look up at the sky. The front door of our home looks southeast, and on winter nights the constellation Orion hangs majestically just above ...
Tech Xplore / Graphene-based 'artificial skin' brings human-like touch closer to robots
Robots are becoming increasingly capable in vision and movement, yet touch remains one of their major weaknesses. Now, researchers have developed a miniature tactile sensor that could give robots something much closer to ...
Phys.org / Scientists clock a driving factor in the evolution of error correction
All complex biological systems—like the DNA, RNA and proteins constantly being copied and built within our cells—are prone to errors. That means as life evolved to be more elaborate, it also had to evolve error-correcting ...
Phys.org / New LVK catalog adds 128 gravitational-wave candidates, more than doubling detections
When the densest objects in the universe collide and merge, the violence sets off ripples, in the form of gravitational waves, that reverberate across space and time, over hundreds of millions and even billions of years. ...
Phys.org / 2025 was hotter than it should have been: Five influences and a dirty surprise offer clues to what's ahead
The past three years have been the world's hottest on record by far, with 2025 almost tied with 2023 for second place. With that energy came extreme weather, from flash flooding to powerful hurricanes and severe droughts. ...
Phys.org / Neutrons reveal magnetic signatures of chiral phonons
Physicists in China have uncovered new evidence that chiral phonons and magnons can interact strongly inside magnetic crystals. Using neutron spectroscopy, a team led by Song Bao at Nanjing University mapped magnetic signatures ...
Medical Xpress / Tundra tongue: The science behind a very cold mistake
Touching your tongue to frozen metal must be a rite of passage if you're a five-year-old boy from a cold place. It's possibly more irresistible than hopping in mud puddles or sampling a newly frosted cake. But is it dangerous? ...
Tech Xplore / Researchers are combining drones and AI to make removing land mines faster and safer
At least 57 nations have live antipersonnel land mines in their territories. In 2024 alone, 1,945 people were killed by mines and 4,325 were injured, 90% of whom were civilians. Nearly half of those were children. Demining ...
Medical Xpress / Study finds depression, suicidal ideation among college students increased over past 15 years
Results of an analysis of health survey data from more than 560,000 U.S. college students concludes that depression symptoms have steadily increased over the past 15 years, particularly among women, minorities and students ...
Phys.org / Researchers advance solvent-based recycling for flexible plastics
Polypropylene and polyethylene are two durable and affordable plastics commonly used as packaging materials, snack wrappers, microwave containers, and other, usually flexible, plastic films. Their flexibility, however, makes ...
