A scanning electron micrograph of the picozoan Picomonas judraskeda
Picozoans Are Algae After All: Study
Phylogenomics data place the enigmatic plankton in the middle of the algal family tree, despite their apparent lack of plastids—an organelle characteristic of all other algae.
Picozoans Are Algae After All: Study
Picozoans Are Algae After All: Study

Phylogenomics data place the enigmatic plankton in the middle of the algal family tree, despite their apparent lack of plastids—an organelle characteristic of all other algae.

Phylogenomics data place the enigmatic plankton in the middle of the algal family tree, despite their apparent lack of plastids—an organelle characteristic of all other algae.

tree of life
Infographic: Can Archaea Teach Us About the Evolution of Eukaroyotes?
Amber Dance | May 31, 2018
The discovery of copious new archaeal species is shedding light on the tree of life and revealing some unique cellular biology.
Branching Out
Ashley P. Taylor | Apr 11, 2016
Researchers create a new tree of life, largely composed of mystery bacteria.
Repositioning Ctenophores
Karen Zusi | Dec 1, 2015
A reanalysis of phylogenetic data places sponges, rather than comb jellies, back at the base of the animal tree.
Tree of Life v1.0
Jef Akst | Sep 22, 2015
Researchers map 2.3 million species in a single phylogeny. 
New Species Galore
Jef Akst | Dec 26, 2014
A look back at the latest microbes, plants, and animals to have secured a spot in science’s known tree of life in 2014
Week in Review: April 21–25
Tracy Vence | Apr 25, 2014
Evolution of Y chromosome; delivering gene with “bionic ears”; diversity of an important cyanobacterium; charting genome-sequencing progress; blockbuster pharma deals
Sequencing the Tree of Life
Anna Azvolinsky | Apr 24, 2014
Charting the progress of the various large-scale genome-sequencing projects as researchers working separately on their chosen species begin to pool analytical resources
Ancient Life in the Information Age
Aaron David Goldman | Mar 1, 2014
What can bioinformatics and systems biology tell us about the ancestor of all living things?
Let There Be Life
Mary Beth Aberlin | Mar 1, 2014
How did Earth become biological?
Genomenclature?
Tracy Vence | Feb 24, 2014
Researchers propose a naming system based on genomic information for all Earth’s life.
A New Basal Animal
Ruth Williams | Dec 12, 2013
Comb jellies take their place on the oldest branch of the animal family tree.  
New Giant Viruses Break Records
Jef Akst | Jul 22, 2013
Two newly discovered giant viruses are bigger than many bacteria and carry massive and largely unique genomes that hint at new branches of life.
Opinion: One Microbe’s 15 Minutes
David Smith | Jul 3, 2012
The recently hyped amoeba-flagellate Collodictyon has many secrets to tell about early eukaryotic evolution.
A New Branch of Life?
Jef Akst | May 1, 2012
Researchers investigate a microorganism that may warrant a new eukaryotic kingdom in the classification of life.