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A major international effort has produced an ultra-precise measurement of the Universe's expansion rate, confirming it's faster than early-Universe models predict. By linking multiple distance-measuring techniques, scientists ruled out simple errors ...

A major study suggests that when you eat could play a key role in staying lean. People who fast longer overnight and start their day with an early breakfast were more likely to have a lower BMI years later. Scientists think this is because eating ...

Scientists searching for air pollution clues stumbled onto something unexpected: toxic MCCPs drifting through the air for the first time in the Western Hemisphere. The likely source--fertilizer made from sewage sludge--points to a hidden route for .. ...

Scientists have achieved the unthinkable by stabilizing a highly reactive molecule in water, confirming a decades-old theory about vitamin B1's role in the body. The breakthrough not only solves a scientific mystery but could revolutionize greener .. ...

Losing your sense of smell might signal Alzheimer's far earlier than expected. Scientists found that immune cells in the brain actively destroy smell-related nerve fibers after detecting abnormal signals on their surfaces. This damage begins in early ...

Researchers have uncovered why a rare blood clotting disorder can occur after certain COVID-19 vaccines or adenovirus infections. The immune system can mistakenly target a normal blood protein (PF4) after confusing it with a viral protein. This ...

Alzheimer's isn't just one problem--it's a tangled mix of biology, aging, and overall health. That's why drugs targeting a single factor have fallen short, even as new treatments show modest benefits. Scientists are now pushing toward multi-pronged . ...

A common eye-health nutrient, zeaxanthin, may also help the body fight cancer more effectively. Scientists discovered it strengthens T cells and enhances the impact of immunotherapy treatments. Found in everyday vegetables and supplements, it's safe, ...

Scientists have proposed a surprising new way to detect gravitational waves--by observing how they change the light emitted by atoms. These waves can subtly shift photon frequencies in different directions, leaving behind a detectable signature. The ...

A strange new kind of superconductivity has been uncovered in uranium ditelluride (UTe2), where electricity flows with zero resistance--but only under extremely strong magnetic fields that should normally destroy it. Even more surprising, the ...