Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

Microbes are part of the food we eat and can influence our own microbiome, but we know very little about the microbes in our foods. Now, researchers have developed a database of the 'food microbiome' ...

A coral reef in Honolulu, Hawaii. Half of global coral coverage has disappeared since the 1950s. Donald Miralle via Getty Images Imagining a coral reef might bring to mind scenes teeming with fish, ...