Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

How many coins can touch one coin, or how many basketballs can "kiss" one basketball at the same time? This seemingly playful ...

Enter ShapeScale, a San Francisco–based health tech company launching what it calls the AI-powered 3D body scanner.

Recent weeks have seen record-breaking heat on three separate continents. The United States clocked the largest number of heat warnings ever, parts of China simultaneously roasted, and Europe’s ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

Scientists have built an AI-powered clock called gtAge that reads your blood to reveal your true biological age.

Humans evolved large brains and flat faces at a surprisingly rapid pace compared to other apes, likely reflecting the ...

Researchers often rely on fossil teeth for clues about what extinct animals ate. Giant ground sloths’ teeth have been tricky to analyze, though – until now.

Kenyatta National Hospital (KNH) surgeons have successfully performed a landmark Gigantomastia procedure on a 17-year-old ...