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Phys.org / Reanalysis suggests 'Phoebe' is a variable star, not a primordial black hole

A new study debunks a recent claim that astronomers may have detected a lunar-mass primordial black hole. In a reanalysis of observations from the Dark Energy Camera (DECam), researchers found that the star nicknamed "Phoebe" ...

Jun 28, 2026
Phys.org / Himalayan pangolin emerges as distinct species, confirmed with DNA from 19th-century specimen

The pangolin is a midsize mammal found only in Africa and Asia. The pangolins' scales make them unique, but these scales have become their undoing. Pangolins are poached for their scales, making them the most highly trafficked ...

Jul 1, 2026
Medical Xpress / Men should speed up slower to avoid 'hitting the wall' in marathons, new research suggests

Male runners may be twice as likely as female runners to suddenly slow down—known as "hitting the wall"—during a marathon, according to a study published in Scientific Reports. The authors suggest that men may be able to ...

Jul 2, 2026
Phys.org / Why nanoscale droplets don't coalesce and microscale droplets do

Olive oil and water do not naturally mix. Water molecules are polar, having a net electric dipole moment due to the bend angle of about 104.5° between the two oxygen-hydrogen bonds. Olive oil is nonpolar due to its long hydrocarbon ...

Jun 29, 2026
Phys.org / Scourge of satellites lighting up the sky could be mitigated with help of ultra-black coating

Astrophysicists working to tackle the growing impact of satellite constellations have pioneered a new ultra-black coating as one possible way to mitigate the problem.

Jul 2, 2026
Phys.org / AI must be built with Indigenous Knowledges, not against them

As Australia marks 50 years of NAIDOC Week, honoring the world's oldest living culture, humanity's newest technology has yet to reckon with a simple principle: "nothing about us, without us." The concern is that artificial ...

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
Tech Xplore / Spintronic hardware unlocks faster, lower-energy optimization, outpacing tested quantum annealers

Solving complex optimization problems is central to many modern technologies, from logistics and financial modeling to chip design, communications and artificial intelligence (AI). However, as these problems grow in size, ...

Jul 2, 2026
Phys.org / Could 'Trojan horse'-type microorganisms that exploit symbiotic systems be candidates for new biological pesticides?

Researchers at National Institute of Advanced Industrial Science and Technology (AIST), in collaboration with researchers from The University of Electro-Communications (UEC) and Akita Prefectural University, have discovered ...

Jul 2, 2026
Phys.org / Orbitronics clears key hurdle with direct orbital currents, boosting signals 100-fold

Researchers at Johannes Gutenberg University Mainz (JGU) are the first to directly utilize orbital currents without the need for conversion of the orbital current into a spin current.

Jul 2, 2026
Phys.org / Walkable, greener neighborhoods linked to better physical and mental health across the U.S.

A new big-data analysis of the U.S. pinpoints how urban design aids the health of city residents—especially when cities provide walking opportunities, greenery and mixed-use streets with a blend of commercial and residential ...

Jul 1, 2026
Phys.org / Quiet outings linked to more frequent dangerous wildlife encounters

The more people expand into previously natural areas, the more wildlife and humans step on each other's toes, leading to more interactions that may result in conflict. This includes national parks, where people flock to recuperate ...

Jul 2, 2026