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In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread. Researchers found that limited coughing and well-mixed indoor air kept virus levels low, even with close contact. Age may have . ...

Scientists have used CRISPR to give the goldenberry a modern makeover, shrinking the plant by about a third and making it easier to farm. Goldenberries are tasty and nutritious but notoriously unruly, with bushy plants that complicate harvesting. By ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth's ecosystems. In the aftermath, jawed vertebrates gained an unexpected edge by surviving in isolated marine refuges. Over millions of years ...

Scientists have discovered an enormous stream of super-hot gas erupting from a nearby galaxy, driven by a powerful black hole at its center. The jets stretch farther than the galaxy itself and spiral outward in a rare, never-before-seen pattern. NASA ...

Scientists have identified a brand-new species of worm living in the Great Salt Lake, marking only the third known animal group able to survive its extreme salinity. The species, named Diplolaimelloides woaabi with guidance from Indigenous elders, .. ...

Crystals hidden in Australia's oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests Earth's continents didn't begin growing until hundreds of millions of years after the planet itself formed. When scientists .. ...

Although the gut renews itself constantly, its stem cells accumulate age-related molecular changes that quietly alter how genes are switched on and off. Scientists found that this "epigenetic drift" follows a clear pattern and appears in both aging . ...

Sleep isn't just about feeling rested--it may be one of the strongest predictors of how long you live. Researchers analyzing nationwide data found that insufficient sleep was more closely tied to shorter life expectancy than diet, exercise, or ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse's strange behavior: a small companion star carving a visible wake through the giant's vast atmosphere. Using nearly eight years of observations from NASA's Hubble Space Telescope and ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter-dominated cloud with no stars at all. Scientists believe it is a "failed galaxy," a leftover building block from the early Universe that never lit up. Its discovery confirms .. ...