Tessa Koumoundouros

Earth's magnetic field dramatically flipped roughly 41,000 years ago.

US surgeons successfully performed the world's first human bladder transplant on 4 May 2025.

In a continued effort to catch neurodegenerative diseases early, researchers directed machine learning models to see if they could 'hear' Parkinson's disease in patients' voices.

Aging appears to unlock adult stem cells programmed to create more problematic belly fat cells, new research in mice and human tissues reveals.

Life's many disruptions, from injury to festive events, may account for most people's yearly weight gain.

As the global population ages, more of us face frightening cognitive decline, personally or in our loved ones.

In 2024, after 60 years of searching, geneticists finally identified the gene behind the marmalade coloration in domestic cats.

When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule found on all other known red blood cells at the time.

Currently a harsh, arid sandscape, it's hard to believe the Sahara was once studded with sparkling water bodies that nourished lush green savannas.

Earth's lakes are experiencing an alarming drop in oxygen levels, new research shows.