News & Opinion
Top 10 Innovations
Cell & Molecular Biology
Disease & Medicine
Ecology & Environment
Genetics & Genomics
Pharma & Biotech
Image of the Day
Fossilized Brains Called into Question, Might be Microbes
Abby Olena | Apr 11, 2018
Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.
CT Scans Reveal New Muscles in Horseshoe Crabs
Staff | Feb 15, 2018
The chelicerates’ unique anatomical features make them useful analogs to extinct arthropods.
Image of the Day: Minions of the Cicada
Staff | Jan 9, 2018
Scientists study the unusual genome evolution of the bacteria that live within a genus of cicadas.
Image of the Day: Rainbow Butt
Staff | Jan 4, 2018
Scientists explore why male peacock spiders are so colorful.
Image of the Day: Guess Whose Leg
Staff | Nov 8, 2017
Scientists have developed a computer tomography device capable of visualizing objects at nanoscale.
Image of the Day: Primordial Sculpture
Staff | Sep 20, 2017
This lifelike replica of the one-centimeter, 500-million-year-old arthropod
was reconstructed from the animal’s ancient fossils.
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.
Arthropods Abundant in American Homes
Catherine Offord | Jan 21, 2016
The average US household contains 62 distinct families of arthropod species, according to an entomological census.
To Retain a Brain
Karen Zusi | Jan 1, 2016
Exceptional neural fossil preservation helps answer questions about ancient arthropod evolution.
Mining the Mite-ochondrial Genome
Tracy Vence | Dec 14, 2015
Phylogenetic analysis of DNA isolated from human hair follicle–dwelling mites shows that different lineages of the arthropods are associated with hosts with different regional ancestries.