Neuroscie

Brain Circuit Found to Shape Risk and Impulse Differently by Sex

Summary: Researchers exploring risky decision-making in rats found that a specific reward-related neural circuit influences impulsivity and risk-taking in complex ways that depend on timing and biological sex. Manipulating the…

Don’t Ignore the Winter Blues, It Could Be Seasonal Depression

Summary: As daylight fades, many experience fatigue or low mood—but for millions, these symptoms signal seasonal affective disorder (SAD), a serious form of depression. Reduced sunlight disrupts serotonin, melatonin, and…

How Chocolate’s Puckering Taste May Stimulate the Brain

Summary: Japanese researchers have uncovered how the astringent “bite” of cocoa flavanols can activate the brain—even though little of the compound enters the bloodstream. In mice, the sensation of astringency…

Rotating Brain Waves Help the Mind Refocus After Distraction

Summary: Neuroscientists have discovered that when the brain is distracted, coordinated “rotating” waves of neural activity help it steer back to focus. Using electrical recordings in animals, the team found…

Life

Nature

Newfound bat skeletons are the oldest on record

Two fossilized bat skeletons unearthed in western Wyoming represent a new species and are the oldest set of bat bones yet discovered, researchers say. The incredibly complete fossils of Icaronycteris…

Astronomy

Seas of the Sun, the story of Cluster

The first recorded observation of a satellite reentry from a high-speed orbit, taken from a plane in bright daylight. Credit: European Space Agency What began with tragedy ended in triumph.…

India space agency launches its heaviest satellite

The CMS-03 satellite is an upgraded version of the rocket that launched India’s unmanned craft that landed on the Moon in August 2023. India launched its heaviest ever communication satellite on…

How to spot November’s supermoon, the closest of the year

A bird flies in front of the Harvest Supermoon in San Francisco, Tuesday, Oct. 7, 2025. Credit: AP Photo/Jeff Chiu The moon will look slightly bigger and brighter Wednesday night…

China’s Shenzhou 21 docks with space station, sets the country’s own speed record

China’s Long March 2F rocket, carrying three astronauts for the Shenzhou 21 manned space mission, blasts off at the Jiuquan Satellite Launch Center in Jiuquan, northwestern China, Friday, Oct. 31,…