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Phys.org / Solar storms leave their mark on cosmic rays that reach Earth

A new study has revealed an unexpected link between solar storms and the flux of high-energy cosmic rays arriving at Earth. The findings, made using one of the world's largest cosmic ray detectors, could open up a new way ...

Jun 29, 2026
Phys.org / Fish in a polluted Mexican river may mate with the wrong species, leading to hybrid offspring

The byproducts of modern society appear to be messing with the love life of two tiny fish species that have long coexisted in Mexican rivers.

Jul 1, 2026
Phys.org / NASA's Hubble spots star-spangled cosmic scene

More than 500,000 stars blaze red, white, and blue in this image from NASA's Hubble Space Telescope, released in celebration of the United States' 250th anniversary. The image showcases Messier 3 (M3), one of the Milky Way ...

Jul 3, 2026
Phys.org / Microtubules in ovarian cell bridges may be key to fertility

Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these follicles, the oocyte is surrounded by granulosa cells that supply nutrients, signaling molecules and ...

Jul 2, 2026
Phys.org / Giant exoplanet may hold a magnetic grip on its host star

Within their planetary systems, stars are continuously shaping their orbiting planets through gravity, radiation and magnetic forces. So far, this relationship has appeared to be a one-way street.

Jun 29, 2026
Phys.org / Light flips bacterial signaling enzyme between two shapes, unlocking how signals travel

Researchers at the University of Bayreuth and Forschungszentrum Jülich have demonstrated that specific light-sensitive enzymes—so-called sensor histidine kinases (SHKs)—transmit their signal through a light-controlled change ...

Jul 2, 2026
Phys.org / The discovery of an ancient child's skull sheds light on the early prehistoric farmers of Norway

Researchers from the University of Bergen have uncovered the remains of a 4,000-year-old child in a cave site on Norway's west coast. "The find offers rare and important insight into the first agricultural population in Norway, ...

Jul 3, 2026
Phys.org / Primate evolution kept aging rates stable for 25 million years despite lifespan gaps

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species in the same order can have very different average lifespans.

Jun 27, 2026
Phys.org / Deliberate slow growth could explain bacteria survival strategies

Escherichia coli (E. coli) are mostly harmless bacteria that live in the intestines of animals and humans. They are the most well-studied bacteria and, often, when scientists discover something about E. coli, they extrapolate ...

Jul 2, 2026
Phys.org / Beyond the dust: Families describe daily health challenges near the Salton Sea

A study examining air quality and respiratory health in communities surrounding the Salton Sea in Southern California shows how environmental conditions, poor housing quality and structural inequities combine to place children ...

Jul 2, 2026
Phys.org / Fighting an emerging threat to strawberry crops

A few years ago, Austin Wrenn noticed something unsettling in his strawberry greenhouses at Wrenn's Farm in Zebulon, North Carolina. He was one of the first growers in the state to experience losses from an unexpected, aggressive ...

Jul 3, 2026
Phys.org / Nearby 'Super Earth' may be a better candidate for life than previously thought

Using the Hobby-Eberly Telescope at McDonald Observatory, astronomers have taken a closer look at a nearby exoplanet and discovered it may be more Earth-like than previously thought. The planet, known as GJ 3378b, orbits ...

Jun 30, 2026