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Warming across the U.S. is far more uneven than it looks at first glance. While only about half of states show rising average temperatures, most are heating up in specific ways--like hotter highs or warmer lows. These hidden shifts vary by region, .. ...

Astrocytes, once thought to be mere brain "support cells," are now revealed to be key players in fear memory. Researchers found they actively help form, recall, and weaken fear responses by interacting with neurons in real time. Changing astrocyte .. ...

A new breakthrough is transforming MXenes--ultra-thin, high-tech materials--into something far more powerful and precise. Researchers have developed a cleaner, more controlled way to build these materials using molten salts and iodine, eliminating .. ...

Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many have already been swallowed. The likely cause is a .. ...

A group of undergraduate students stumbled into a cosmic time capsule--one of the oldest stars ever discovered--while combing through massive astronomy datasets. What began as a class project quickly turned into a breakthrough when they spotted an .. ...

A new pill called baxdrostat is showing strong results in lowering dangerously high blood pressure in people who don't respond to standard treatments. In a large global trial, patients saw their blood pressure drop by nearly 10 mmHg, a meaningful ...

Asteroid impacts may have helped kick-start life on Earth by creating hot, chemical-rich environments ideal for early biology. These impact-generated hydrothermal systems could have lasted thousands of years--long enough for life's building blocks to ...

Saturn's magnetic field isn't the smooth, symmetrical shield scientists see around Earth. Instead, it's noticeably skewed, and researchers now think they understand why. By analyzing years of data from the Cassini spacecraft, scientists found that a ...

What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail revealed Megachelicerax cousteaui, the oldest known ...

A new clinical trial suggests that what people eat could finally offer real relief for Crohn's disease, a condition that has long lacked clear dietary guidance. Researchers found that a "fasting-mimicking diet" -- involving just five days a month of ...