"Animals, plants, seaweed, and foraminifera are all eukaryotes. We were interested in studying this foraminifera because it thrives in a very similar environment to Earth during the Precambrian, a ...

Published in the journal Precambrian Research, the study suggests that the collision of two continental plates more than 2 billion years ago created a nutrient-rich environment that allowed the ...

A fossil with eyes on stalks and a clawed trunk, the Tully monster has defied classification for over 70 years—and still has ...

An in-depth analysis of marine eukaryotic fossils, organisms whose cells contain a nucleus, has provided a better understanding of the evolution of life on Earth. This research shows that the first ...

The conodont Wurmiella excavata was said to have had razor-sharp structures that processed prey from left to right, rather ...

The cell theory Hints at the idea that the cell is the basic component of living organisms emerged well before 1838–39, which was when the cell theory was officially formulated.