The tardigrade’s unusual body plan and resistance to harsh conditions provide researchers like Bob Goldstein with a creative ...

In a groundbreaking study, scientists have created a mouse using stem cells powered by genes that originated from ancient ...

The first life forms to appear on Earth were unicellular, i.e., composed of a single cell, such as yeast or bacteria. Later, animals—multicellular organisms—evolved, developing from a single ...

Archaea—one of the three primary domains of life alongside bacteria and eukaryotes—are often overlooked and sometimes ...

Modern single-celled holozoa include the most basal living animals and the fossil discovered shows an ... into separate regions within a multicellular mass—existed in unicellular organisms a billion ...

When subjected to physical pressure, archaea - ancient single-celled organisms - form multicellular structures.

Many species of multicellular organisms differ greatly from ... Evolution 62, 436–451 (2008). King, N. The unicellular ancestry of animal development. Developmental Cell 7, 313–325 (2004).

Based on the fluid dynamics of cooperative feeding by Stentor, a relatively giant unicellular organism, the report is published in Nature Physics. "We took a step back in evolution, to when ...

This trumpet-shaped organism is among the largest unicellular organisms, stretching as long as a sharpened pencil tip. But sometimes it has a hard time vacuuming up the swimming bacteria and ...