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Scientists are uncovering a surprising link between hidden tooth infections and blood sugar problems. Deep infections around tooth roots can create chronic inflammation that spreads through the body and may interfere with insulin function. Studies .. ...

You may not need hours at the gym to boost your health after all. Researchers say just 30 minutes of high-intensity exercise per week -- broken into tiny bursts of effort that leave you out of breath -- can dramatically improve cardiovascular fitness ...

A massive new dinosaur discovered in Thailand is rewriting Southeast Asia's prehistoric history. The newly named Nagatitan chaiyaphumensis was a colossal long-necked sauropod that weighed around 27 tonnes and lived more than 100 million years ago. .. ...

Cannabis use among older adults is rising fast, but today's marijuana is far more potent than many people realize -- and experts warn the risks may be underestimated. Stanford Medicine specialists say modern cannabis can increase the chances of heart ...

Scientists have uncovered a surprising dark side to vitamin B2: it may help cancer cells stay alive. The vitamin supports a cellular shield that protects tumors from ferroptosis, a form of programmed cell death linked to cancer suppression. In lab .. ...

Scientists have uncovered evidence that serotonin -- the same brain chemical boosted by many antidepressants -- may actually worsen tinnitus. Using advanced light-based brain stimulation in mice, researchers identified a serotonin-driven circuit ...

Researchers analyzing over 20,000 patients found that very high levels of the inherited cholesterol particle Lp(a) dramatically raise the risk of stroke, cardiovascular death, and major heart complications. Because most people with elevated Lp(a) ...

NASA is testing a next-generation space computer chip that could give spacecraft the ability to operate far more independently in deep space. The radiation-hardened processor is showing performance levels hundreds of times beyond current spaceflight ...

A colossal valley near Mars's equator is revealing dramatic clues about the Red Planet's watery and volcanic past. Stretching roughly 1,300 kilometers, Shalbatana Vallis was carved billions of years ago when enormous floods of groundwater burst onto ...

NASA's Roman Space Telescope could expose a vast hidden population of neutron stars lurking unseen across the Milky Way. By detecting subtle shifts in starlight caused by gravity, the mission may identify and even weigh isolated neutron stars that .. ...