Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants. Ten years ago, ...

Scientists estimate that the earliest biological entities began to appear on Earth more than 4 billion years ago. "There was a sort of primordial soup from which certain organic molecules were formed.

Gut problems like irritable bowel syndrome are often worse in women. A mouse study reveals a pain pathway involving estrogen, ...

A growing number of new studies have found that, at least for some cells, death isn’t the end, but the beginning of something wholly unexpected.

This pathogenic bacteria can catch rides on yeast puddles to help it spread. By Laura Baisas Published Jun 4, 2025 11:00 AM EDT Get the Popular Science daily ...

Scientists have engineered a groundbreaking cancer treatment that uses bacteria to smuggle viruses directly into tumors, bypassing the immune system and delivering a powerful one-two punch against ...