phylogeny
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.
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.
The Pangenome: Are Single Reference Genomes Dead?
The Pangenome: Are Single Reference Genomes Dead?
Catherine Offord | Dec 1, 2016
Researchers are abandoning the concept of a list of genes sequenced from a single individual, instead aiming for a way to describe all the genetic variation within a species.
Animal Microbiomes Are Unique and Beneficial to Their Hosts
Animal Microbiomes Are Unique and Beneficial to Their Hosts
Ben Andrew Henry | Nov 29, 2016
Survey of 24 animal species suggests that each hosts a custom-tailored microbiome.
Not Your Average Deer
Not Your Average Deer
Karen Zusi | Dec 4, 2015
A new fossil species helps resolve the evolutionary relationships of an extinct group of ruminants.
Repositioning Ctenophores
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
Tree of Life v1.0
Jef Akst | Sep 22, 2015
Researchers map 2.3 million species in a single phylogeny. 
Scales Over Feathers
Scales Over Feathers
Amanda B. Keener | Jun 3, 2015
A comprehensive analysis of fossilized dinosaur skin samples suggests feathers were not the norm.
Mistaken Identities
Mistaken Identities
Kerry Grens | Jan 1, 2015
Researchers are working to automate the arduous task of identifying—and amending—mislabeled sequences in genetic databases.
New Species Galore
New Species Galore
Jef Akst | Dec 27, 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