A decade ago, the existence of Asgard archaea was unknown. However, in 2015, researchers analyzing deep-sea sediments uncovered gene fragments that suggested the presence of a new, previously ...

Calcium signaling plays a vital role in both eukaryotic and prokaryotic cellular processes, but the mechanisms behind calcium transport are more thoroughly understood in the former.

This is the first eukaryotic virus (a virus that infects eukaryotes, such as plants, animals, fungi) found to encode such a protein.

In this case, a eukaryotic algal cell swallowed a prokaryotic bacterial cell. Get the world’s most fascinating discoveries delivered straight to your inbox.