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Top storyAstronomers unmask a supernova impostor phys.org · 6h ago

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Astronomers unmask a supernova impostor

A distant star has captured astronomers' attention over the past decade, teasing them with indications that it will soon explode as a supernova. But new research shows that something else entirely is behind the star's outbursts. Rather than an impending catastrophic explosion, a

Brief phys.org · 6h ago
Fish may be highly sensitive to antidepressants found in water

Many of the drugs that target human brain chemistry, such as antidepressants, are still biologically active when they leave the body. These substances and their metabolites can persist in wastewater and eventually end up in the sea, rivers or other aquatic environments.

Brief phys.org · 13h ago
Cataract surgery will be needed in space, surgeon predicts

An eye surgeon with a passion for space since childhood predicts that as astronauts start to make journeys to the moon and Mars in the near future, eye surgery in space will eventually become a necessity.

Brief phys.org · 14h ago
Scientists discover a hidden switch that shuts down inflammation

Scientists have uncovered a natural braking system that helps the immune system switch off inflammation and prevent harmful immune cells from building up. Boosting this pathway in people reduced inflammation-related immune changes and sped up pain relief, pointing toward potentia

Brief sciencedaily.com · 1d ago
Rubin observatory peers deep into the famous COSMOS field

The COSMOS field, or Cosmic Evolution Survey Deep Field, is one of the most famous patches of the universe observed by astronomers. Located in the constellation Sextans, this region was photographed by the Hubble Space Telescope (HST) in segments from 2003 to 2005 using its Advan

Brief phys.org · 2d ago
Mercury’s surface reveals a surprisingly fiery past

Scientists have discovered that Mercury’s surface contains far less silicon dioxide than previously thought, pointing to an unexpectedly hot volcanic past. The finding suggests ancient lava may have originated from deeper, more extensively melted parts of the planet’s mantle.

Brief sciencedaily.com · 2d ago
How big can the universe's first starbursts get?

As our telescopes have improved and we've been able to peer farther back in time, we've begun finding more fascinating features of the universe. But one thing we haven't found for sure is Population III (Pop III) stars. These were the earliest stars in the universe, formed comple

Brief phys.org · 2d ago
Emerging SARS-CoV-2 sublineage RE.2.2 displays distinct structural features

Researchers from the Institute of Microbiology of the Chinese Academy of Sciences (IMCAS) have characterized the structural and functional properties of the emerging SARS-CoV-2 sublineage BA.3.2.2 by studying RE.2.2, the lineage designation for the BA.3.2.2 branch gaining prevale

Brief phys.org · 2d ago

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Consumers demand transparency, but is it rewarded?

Transparent supply chains boost consumer trust—if the results are positive. But what if they aren't? A new paper by Kühne Logistics University (KLU), in collaboration with the University of Tennessee and Tilburg University, published in the Journal of Business Logistics, reaches

phys.org · 3h ago
JWST ruled out finding tiny moons around an exoplanet—that's great news

The James Webb Space Telescope (JWST) has opened many wonders of the cosmos to scientists since it began science operations a few years ago. But one thing it hasn't done is find an "exomoon." These still-theoretical moons orbit exoplanets in other star systems, and JWST was suppo

phys.org · 5h ago
Astronomers unmask a supernova impostor

A distant star has captured astronomers' attention over the past decade, teasing them with indications that it will soon explode as a supernova. But new research shows that something else entirely is behind the star's outbursts. Rather than an impending catastrophic explosion, a

phys.org · 6h ago
The tourism industry is slowly waking up to solo travelers' needs

Solo travel is surging—and an industry still largely built for two is taking note. Google reported in April 2026 that online searches involving "solo travel" hit an all-time high this year, with queries for "women solo travel" reaching a 15-year peak. Hilton's 2026 trends report

phys.org · 11h ago
Gravitational-wave analysis narrows the search for black hole impostors

Black holes are regions of spacetime where gravity is so strong that nothing, not even light, can escape. When two black holes orbit each other and merge, they produce gravitational waves (i.e., ripples in spacetime) that can resemble those emitted by mergers involving other exot

phys.org · 13h ago
Fish may be highly sensitive to antidepressants found in water

Many of the drugs that target human brain chemistry, such as antidepressants, are still biologically active when they leave the body. These substances and their metabolites can persist in wastewater and eventually end up in the sea, rivers or other aquatic environments.

phys.org · 13h ago
Scientists find a new layer of Alzheimer’s hidden in the genome

Scientists found that the 3D organization of DNA is disrupted in several types of brain cells affected by Alzheimer’s disease, altering how important genes are switched on and off. The discovery reveals a previously underexplored layer of the disease that could open new paths for

sciencedaily.com · 13h ago

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