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Phys.org / Trillion-mile gas streamer may explain tilt of triple-star system's outer planet-forming ring

A team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has captured a massive stream of gas—one trillion miles, or 0.2 light-years, long—feeding the young triple-star system GW Orionis. These ...

Aug 6, 2026
Phys.org / First complete songbird genome exposes missing genes and chromosome architecture

The zebra finch is one of the best-studied songbirds and a model for understanding the biology and neuroscience of vocal learning. Now, researchers have produced the first complete genome assembly of the species, revealing ...

Aug 6, 2026
Phys.org / A 21-hour dip could help explain Tabby's star's decade-long dimming mystery

Since 2016, an ordinary-looking F-type star called KIC 8462852, nicknamed Tabby's star, has behaved anything but ordinarily. In a new study published in the Monthly Notices of the Royal Astronomical Society on July 6, researchers ...

Aug 3, 2026
Phys.org / Two decades of blazar observations, and the mysteries keep piling up

Narrow jets of luminous matter may be emitted toward Earth from the nuclei of active galaxies billions of light-years away. The galaxy then appears as a point source and is called a blazar. A Polish-German team of scientists ...

Aug 6, 2026
Phys.org / Super-Earths may be solid deep inside their mantles

Deep inside super-Earths—rocky planets with masses between 1 and 10 times that of Earth—high pressure can cause familiar minerals to take forms rarely seen on Earth. Understanding more about the temperature and pressure conditions ...

Aug 6, 2026
Phys.org / One-third of agricultural land accounts for two-thirds of global impact, study reveals

Agriculture covers more than 40% of Earth's habitable land and plays a central role in both climate change and biodiversity loss. Yet the impact of agriculture is far from evenly distributed across space.

Aug 6, 2026
Phys.org / New models shed light on how an exotic phase of hydrogen in Earth's core may behave

While Earth's core consists mostly of iron, its density implies that lighter elements are also mixed in. Because hydrogen is abundant in the universe and can mix with iron under certain conditions, scientists suspect it makes ...

Aug 3, 2026
Phys.org / An elegant modification doubles the range of low-noise 'white lasers' in a single fiber

Supercontinuum light sources—often called "white lasers" because they emit a broad, continuous rainbow of colors—are essential tools for everything from advanced medical imaging to environmental gas detection. However, researchers ...

Aug 6, 2026
Phys.org / Bacterial enzyme switch could weaken antibiotic defenses in MRSA and other pathogens

If you ask Vijay Parashar, associate professor of medical and molecular sciences (MMSC) at the University of Delaware College of Health Sciences, human bodies are bags of bacteria. "It sounds gross, but not all bacteria are ...

Aug 6, 2026
Medical Xpress / Social media algorithms expose many adolescents to self-harm content, study finds

Digital technologies have profoundly transformed how adolescents acquire information and interact with each other outside school. Numerous preteens and teenagers worldwide access social media platforms daily to read posts, ...

Aug 4, 2026
Medical Xpress / Why laughter can trigger sudden muscle weakness in people with narcolepsy

Narcolepsy is a chronic neurological condition characterized by disruptions in the regulation of sleep-wake cycles. People with this condition often experience extreme sleepiness during the day and, in some cases, a sudden ...

Aug 5, 2026
Medical Xpress / Finding new osteoarthritis medicines via AI and genetics

Osteoarthritis (OA) is a chronic, painful joint disease and a leading cause of disability. Despite its prevalence, therapies for osteoarthritis are limited and focus on symptom management. Now, researchers are combining genetic ...

Aug 6, 2026