Geologists studying ancient desert rocks have stumbled on a microscopic tunnel system that looks uncannily deliberate, a ...

Scientific analysis, approved by then-Archbishop Jorge Mario Bergoglio (later Pope Francis), then involved Dr. Ricardo ...

A simple light-based method is uncovering hidden fiber networks inside the brain and body, even in tissue slides over 100 years old.

Utah’s Great Salt Lake has just yielded a new resident, a microscopic animal that no one had ever documented there before.

Why does cancer sometimes recur after chemotherapy? Why do some bacteria survive antibiotic treatment? In many cases, the ...