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Phys.org / Spiral galaxy's brilliant heart shines bright in a new picture from NASA's Webb telescope

A spiral galaxy's brilliant heart outshines everything within sight in a new picture from NASA's Webb Space Telescope.

May 8, 2026
Phys.org / No trees, no fans: surviving extreme heat in India's salt pans

India faces challenging heat waves each year, but few places endure conditions as searing as the country's western desert salt pans, where workers rely on simple techniques to survive almost unbearable temperatures.

May 10, 2026
Phys.org / Medieval jaw reveals Scotland's first known dental bridge made from 20-carat gold

Without good dental care, teeth tend to suffer. An abundance of archaeological evidence has shown that poor oral health was common throughout history. And unsurprisingly, there have been many attempts at dental restoration ...

May 5, 2026
Medical Xpress / Large study finds a strong link between depression and problem cannabis use

A new meta-analysis of 55 studies involving more than 3 million people has found that 31% of individuals with cannabis use disorder (CUD) also struggle with major depressive disorder (MDD). While a link between these two ...

May 6, 2026
Phys.org / A persistent quantum computing error finally explained

Scientists have discovered the cause of a persistent glitch that continues to disrupt superconducting quantum computers, even when they have built-in defenses. For all their advanced hardware, superconducting quantum computers ...

May 6, 2026
Tech Xplore / Silicon oscillators solve computer problems that would take thousands of years using semiconductors

In the era of big data and artificial intelligence, a new approach has emerged for solving combinatorial optimization problems, which involves finding the most efficient solution among many possible options and can otherwise ...

May 6, 2026
Medical Xpress / Nasal spray developed for prehospital emergency aid for ischemic stroke

A research team from Department of Pharmacology and Pharmacy at the LKS Faculty of Medicine, the University of Hong Kong (HKUMed), in collaboration with the InnoHK Advanced Biomedical Instrumentation Centre (ABIC), has developed ...

May 10, 2026
Phys.org / From flying discs to glowing orbs, these newly opened Pentagon files point somewhere stranger than expected

The Pentagon on Friday released a first batch of secret files documenting reported sightings of unidentified flying objects—some dating back to the 1940s—fanning speculation over whether alien life exists.

May 8, 2026
Medical Xpress / Head impacts are associated with altered gut microbiome in football players

Non-concussive head impacts—hits to the head that don't cause clinically detectable symptoms—are correlated with subsequent changes to the gut microbiome in a small sample of US collegiate football players, according to a ...

May 9, 2026
Phys.org / Why are mountain forests in Mexico and Central America hotspots for oak trees? Study shows most definitive answer yet

The mountains of Mexico and Central America harbor some of the greatest biodiversity of oak trees worldwide, and a landmark study conducted by The Morton Arboretum with U.S. and Mexican collaborators provides the most definitive ...

May 5, 2026
Phys.org / Buried in Arnhem Land, an ancient fire trick may rewrite early stone technology's timeline

A recent archaeological study has identified the earliest lithic heat treatment of chert in the world. Discovered in Australia, this discovery is nearly twice as old as any previously identified chert heat treatment in Eurasia. ...

May 6, 2026
Phys.org / Scientists split gentoo penguins into four species, one totally new to science

The four-foot-tall Emperor penguin of Antarctica may be the most iconic member of this unique family of birds, but 17 other species of penguins populate the Southern Hemisphere, many of them confined to isolated islands that ...

May 8, 2026