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.
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.

phylogenetics
Some Viruses Use an Alternative Genetic Alphabet
Some Viruses Use an Alternative Genetic Alphabet
Abby Olena | Apr 29, 2021
In a trio of studies, researchers follow up on a 40-year-old finding that certain bacteriophages replace adenine with so-called diaminopurine, perhaps to avoid host degradation.
First US Outbreak of COVID-19 Seeded in Mid-February: Preprint
First US Outbreak of COVID-19 Seeded in Mid-February: Preprint
Kerry Grens | May 27, 2020
A modeling study counters initial interpretations that the cluster began with someone who flew to Seattle in mid-January.
Image of the Day: Vestibular System
Image of the Day: Vestibular System
Amy Schleunes | Mar 13, 2020
The inner ear cavity proves to be a useful tool for studying the evolutionary relationships among monkeys, apes, and humans.
Genomes Sequenced for Every US and Canada Butterfly
Genomes Sequenced for Every US and Canada Butterfly
Emily Makowski | Nov 20, 2019
Researchers analyzed more than 800 species.
Image of the Day: Beetle Evolution
Image of the Day: Beetle Evolution
Emily Makowski | Nov 19, 2019
Plants, fungi, and bacteria likely contributed to insect diversity.
Image of the Day: Stick and Leaf Insects
Image of the Day: Stick and Leaf Insects
Emily Makowski | Oct 15, 2019
The first phylogenomic tree of these insects shows their diversification occurred after they split into Old and New World groups.
Prehistoric Microbes Inhabit an Oasis in the Northern Mexican Desert
Prehistoric Microbes Inhabit an Oasis in the Northern Mexican Desert
Diana Kwon | Mar 1, 2019
The blue lagoons of the Cuatro Ciénegas Basin provide a glimpse into the planet’s ancient past.
Clues to How Ancient Plants Handled Fungal Pests
Clues to How Ancient Plants Handled Fungal Pests
Jef Akst | Feb 1, 2019
In plants ranging from liverworts to wheat, parasitic water molds build intracellular structures analogous to the nutrient-exchanging structures of symbiotic fungi.
Image of the Day: Single-Cell Surprises
Image of the Day: Single-Cell Surprises
Jef Akst | Nov 15, 2018
Researchers identify a new species of Hemimastigophora protist, and suggest the group should be promoted from a phylum to a supra-kingdom.

Infographic: Resurrecting Ancient Proteins
Infographic: Resurrecting Ancient Proteins
Amber Dance | Jul 1, 2018

Learn the basic steps researchers take when reconstructing proteins from the past and how these biomolecules can inform engineering projects.

Scientists  Bring  Ancient  Proteins  Back  to  Life
Scientists Bring Ancient Proteins Back to Life
Amber Dance | Jul 1, 2018
Researchers are resurrecting proteins from millions of years ago to understand evolution and lay the groundwork for bioengineering custom molecules.
Opinion: Archaea Is Our Evolutionary Sister, Not Mother
Opinion: Archaea Is Our Evolutionary Sister, Not Mother
Morgan Gaia, Violette Da Cunha, Patrick Forterre | Jun 1, 2018
The ancient organisms appear to be more closely related to eukaryotes than previously appreciated.
Archaea Family Tree Blossoms, Thanks to Genomics
Archaea Family Tree Blossoms, Thanks to Genomics
Amber Dance | Jun 1, 2018
Identification of new archaea species elucidates the domain’s unique  biology and sheds light on its relationship to eukaryotes.
Infographic: Can Archaea Teach Us About the Evolution of Eukaroyotes?
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.
Mitochondria’s Bacterial Origins Upended
Mitochondria’s Bacterial Origins Upended
Shawna Williams | Apr 25, 2018
Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.
Genomic Analysis Leaves Tardigrade Phylogeny Unclear
Genomic Analysis Leaves Tardigrade Phylogeny Unclear
Abby Olena | Jul 27, 2017
The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.
New Giant Virus Group Reported
New Giant Virus Group Reported
Diana Kwon | Apr 6, 2017
A genomic analysis of “Klosneuviruses” suggests that they evolved from small viruses that accumulated genetic material over time, but not all virologists are convinced. 
Dinosaur Phylogenetic Tree Shake-Up
Dinosaur Phylogenetic Tree Shake-Up
Jef Akst | Mar 24, 2017
An analysis of 74 dinosaur species leads a group of researchers to reorganize the extinct animals’ evolutionary history.
Ancient Origins of Retroviruses
Ancient Origins of Retroviruses
Tracy Vence | Jan 11, 2017
Foamy-like endogenous retroviruses may have emerged more than 450 million years ago, according to an analysis.