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These Bizarre, Centuries-Old Greenland Sharks May Have a Hidden Longevity Superpower

The very, very long-lived Greenland sharks were long thought to be practically blind. But a new study finds that they not only can see but also maintain their vision into old age

The Best Skywatching and Stargazing Events of 2026

Total eclipses, lunar occultations, planetary conjunctions and meteor showers await stargazers this year

The Weight-Loss Drug Revolution—From Shots to Pills and the Science behind It All

Behind the hype of GLP-1 medications lies complex science, serious side effects and a pharmaceutical arms race.

Scientists Discover Brain Circuit That Acts Like a ‘Brake’ on Motivation

A new study in macaques identifies a brain circuit that acts like a "brake" on motivation

Stevie Wonder’s Rule for AI at CES 2026—‘Make Life Better for the Living’

At CES 2026, Stevie Wonder offered a simple test for tech. And in the smart glasses boom, the most persuasive tools aren't about perfect sight but day-to-day independence.

How Prepared Are ISS Astronauts for Medical Emergencies?

NASA crews go through extensive training and have access to tools and drugs to treat medical issues, from dental problems and migraines to heart attacks, while they are in orbit

Why 2026 Is a Mathematically Special Number

Neither a square nor prime number, 2026 is still intriguing

NASA Announces Return Date for ISS Astronauts After Medical Evacuation Announcement

Four ISS crew members are set to touch down on Thursday after NASA announced the first medical evacuation in the space station's history