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Scientists discovered that common food emulsifiers consumed by mother mice altered their offspring’s gut microbiome from the very first weeks of life. These changes interfered with normal immune system training, leading to long-term inflammation. As adults, the offspring were more vulnerable to gut disorders and obesity. The findings suggest that food additives may have hidden, lasting effects be…

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history. The star, which quietly orbits a dormant black hole, appears to be spinning far faster than it should—and its internal “starquakes” suggest it may have once collided and merged with another star. Even more puzzling, its chemical makeup ma…

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high temperatures than previously believed. During Earth’s cooling, this hidden reservoir could have held water volumes comparable to today’s oceans. Over time, that buried water helped drive geology and re…

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction. Moema claudiae, a seasonal killifish unseen for more than 20 years, was rediscovered in a small temporary pond hidden within a fragment of forest surrounded by farmland. The find allowed scientists to photograph the species alive for the first time and uncover ne…

A new study suggests temporal lobe epilepsy may be linked to early aging of certain brain cells. When researchers removed these aging cells in mice, seizures dropped, memory improved, and some animals avoided epilepsy altogether. The treatment used drugs already known to science, raising the possibility of quicker translation to people. The results offer new hope for patients who do not respond t…

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together. The razor-thin chain of galaxies sits inside a much larger filament that appears to be slowly rotating as a whole. This coordinated motion is far stronger than expected by chance and hints that galaxy spin may be inherited from the cosmic web itself. The finding opens a new …

Deep ocean hot spots packed with heat are making the strongest hurricanes and typhoons more likely—and more dangerous. These regions, especially near the Philippines and the Caribbean, are expanding as climate change warms ocean waters far below the surface. As a result, storms powerful enough to exceed Category 5 are appearing more often, with over half occurring in just the past decade. Researc…

Tramadol, a popular opioid often seen as a “safer” painkiller, may not live up to its reputation. A large analysis of clinical trials found that while it does reduce chronic pain, the relief is modest—so small that many patients likely wouldn’t notice much real-world benefit. At the same time, tramadol was linked to a significantly higher risk of serious side effects, especially heart-related pro…

This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree. Known as NGC 2264, this distant star-forming region sits about 2,700 light-years away and is filled with newborn stars lighting up clouds of gas and dust. The stars form a triangular shape called the Christmas Tree cluster, crowned by the dramatic Cone Nebula and wrapped i…

A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a key lipid causes blood vessels to become overactive, disrupting circulation and starving brain tissue. When the missing molecule was restored, normal blood flow returned. This discovery opens the door to new treatments aimed at fixing vascular problems in dementia.

Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites that naturally fall to Earth, researchers have uncovered clues about the chemistry, history, and potential usefulness of these ancient space rocks. While large-scale asteroid mining is still far off, t…

A new eco-friendly technology can capture and destroy PFAS, the dangerous “forever chemicals” found worldwide in water. The material works hundreds to thousands of times faster and more efficiently than current filters, even in river water, tap water, and wastewater. After trapping the chemicals, the system safely breaks them down and refreshes itself for reuse. It’s a rare one-two punch against …

A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is that changing environments prevent these mutations from spreading widely before they become useless or harmful. Evolution, it turns out, is less about reaching perfection and more about endlessly chas…

What we put on our plates may matter more for the climate than we realize. Researchers found that most people, especially in wealthy countries, are exceeding a “food emissions budget” needed to keep global warming below 2°C. Beef alone accounts for nearly half of food-related emissions in Canada. Small changes—less waste, smaller portions, and fewer steaks—could add up to a big climate win.

Alzheimer’s has long been considered irreversible, but new research challenges that assumption. Scientists discovered that severe drops in the brain’s energy supply help drive the disease—and restoring that balance can reverse damage, even in advanced cases. In mouse models, treatment repaired brain pathology, restored cognitive function, and normalized Alzheimer’s biomarkers. The results offer f…