Charles Darwin News

June 16, 2025

Top Headlines

New Velvet Worm Species a First for the Arid Karoo

May 30, 2025 — A new species of velvet worm, Peripatopsis barnardi, represents the first ever species from the arid Karoo, which indicates that the area was likely historically more forested than at present. In the Cape Fold Mountains, we now know that every ...

Rock Record Illuminates Oxygen History

May 29, 2025 — A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope analysis from ancient South African rock cores. ...

Europe's Most Complete Stegosaurian Skull Unearthed in Teruel, Spain

May 29, 2025 — Palaeontologists have analyzed the most complete stegosaurian skull ever found in Europe and rewritten the evolutionary history of this iconic group of ...

Chemists Recreate How RNA Might Have Reproduced for First Time

May 29, 2025 — Chemists have demonstrated how RNA (ribonucleic acid) might have replicated itself on early Earth -- a key process in the origin of ...

Bed Bugs Are Most Likely the First Human Pest, New Research Shows

May 28, 2025 — Researchers compared the whole genome sequence of two genetically distinct lineages of bed bug, and their findings indicate bed bugs may well be the first true urban ...

A Root Development Gene That's Older Than Root Development

May 26, 2025 — A gene that regulates the development of roots in vascular plants is also involved in the organ development of liverworts -- land plants so old they don't even have proper roots. The discovery highlights the fundamental evolutionary dynamic of ...

Different Phases of Evolution During Ice Age

May 23, 2025 — Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted and around 700,000 years ago the cold periods ...

Toothache from Eating Something Cold? Blame These Ancient Fish

May 22, 2025 — New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient ...

Ancient DNA Used to Map Evolution of Fever-Causing Bacteria

May 22, 2025 — Researchers have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the ...

Scientists Have Figured out How Extinct Giant Ground Sloths Got So Big and Where It All Went Wrong

May 22, 2025 — Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so ...

'Selfish' Genes Called Introners Proven to Be a Major Source of Genetic Complexity

May 22, 2025 — A new study proves that a type of genetic element called 'introners' are the mechanism by which many introns spread within and between species, also providing evidence of eight instances in which ...

On the Origin (and Fate) of Plants That Never Bloom

May 20, 2025 — Plants that reproduce exclusively by self-pollination arise from populations with extremely low diversity to begin with. The research not only adds a facet to possible evolutionary strategies, but also lends weight to Darwin's suspicion that this ...

Latest Headlines

updated 12:34pm EDT

The 10,000-Mile March Through Fire That Made Dinosaurs Possible

June 13, 2025 — Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, ...

'Sharkitecture:' A Nanoscale Look Inside a Blacktip Shark's Skeleton

May 20, 2025 — Using synchrotron X-ray nanotomography with detailed 3D imaging and in-situ mechanical testing, researchers are peering inside shark skeletons at the nanoscale, revealing a microscopic ...

Research Team Traces Evolutionary History of Bacterial Circadian Clock on Ancient Earth

May 20, 2025 — To better understand the circadian clock in modern-day cyanobacteria, a research team has studied ancient timekeeping systems. They examined the ...

Light-to-Electricity Nanodevice Reveals How Earth's Oldest Surviving Cyanobacteria Worked

May 16, 2025 — Scientists have decoded the atomic structure of Photosystem I from a 3-billion-year-old cyanobacteria lineage, offering a unique look at early ...

Asians Made Humanity's Longest Prehistoric Migration and Shaped the Genetic Landscape in the Americas

May 16, 2025 — A groundbreaking international study has revealed that early Asians undertook humanity s longest known prehistoric migration walking more than 20,000 ...

UV Light and CT Scans Helped Scientists Unlock Hidden Details in a Beautifully-Preserved Fossil Archaeopteryx

May 14, 2025 — Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- ...

Palaeontologists Discover 506-Million-Year-Old Predator

May 14, 2025 — Palaeontologists have discovered a remarkable new 506-million-year-old predator from the Burgess Shale of Canada. Mosura fentoni was about the size of your index finger and had three eyes, spiny ...

From Prehistoric Resident to Runaway Pet: First Tegu Fossil Found in the U.S.

May 12, 2025 — Originally from South America, the charismatic tegu made its way to the United States via the pet trade of the 1990s. But a recent discovery shows ...

Researchers Map 7,000-Year-Old Genetic Mutation That Protects Against HIV

May 9, 2025 — Modern HIV medicine is based on a common genetic mutation. Now, researchers have traced where and when the mutation arose -- and how it protected our ancestors from ancient ...

Comb Jellies Reveal Ancient Origins of Animal Genome Regulation

May 7, 2025 — Life depends on genes being switched on and off at exactly the right time. Even the simplest living organisms do this, but usually over short distances across the DNA sequence, with the on/off switch ...

Triassic Fossil Reveals Nature's Best Jaw for Hunting Fast Fish

May 7, 2025 — Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

T. Rex's Direct Ancestor Crossed from Asia to North America

May 6, 2025 — Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new ...

A Fully Automated Tool for Species Tree Inference

May 5, 2025 — Engineers are making it easier for researchers from a broad range of backgrounds to understand how different species are evolutionarily related, and support the transformative biological and medical ...

Genomic Survey Uncovers Evolutionary Origins of Secretoglobins

May 5, 2025 — At a conference in Washington D.C. in 2000, the secretoglobin super family of proteins was named to classify proteins with structural similarities to its founding member uteroglobin. Now, 25 years ...

'Extremely Rare Event': Bone Analysis Suggests Ancient Echidnas Lived in Water

Apr. 28, 2025 — New research questions the evolutionary history of some of our most peculiar ...

What Rattlesnake Venom Can Teach Us About Evolution: New USF Study

Apr. 23, 2025 — A new study found that some rattlesnakes are producing simpler venoms containing fewer and more focused toxin families than complex venoms -- a surprising discovery that challenges long-held ideas ...

Phoenician Culture Spread Mainly Through Cultural Exchange

Apr. 23, 2025 — Ancient DNA analysis challenges our understanding of the ancient Phoenician-Punic civilization. An international team of researchers analyzing genome-wide data from 210 ancient individuals has found ...

Unlocking the Genetic Basis of Adaptive Evolution: Study Reveals Complex Chromosomal Rearrangements in a Stick Insect

Apr. 18, 2025 — Scientists report adaptive divergence in cryptic color pattern is underlain by two distinct, complex chromosomal rearrangements, where millions of bases of DNA were flipped backwards and moved from ...

Environmental Variability Promotes the Evolution of Cooperation Among Humans: A Simulation-Based Analysis

Apr. 18, 2025 — Researchers have demonstrated that intensified environmental variability (EV) can promote the evolution of cooperation through simulation based on evolutionary game theory. This result offers a new ...

The Eukaryotic Cell Emerged as an Evolutionary Algorithmic Phase Transition

Apr. 21, 2025 — An international collaboration has published groundbreaking research, shedding light on the most significant increase in complexity in the history of life's evolution on Earth: the origin of the ...

Extreme Drought Contributed to Barbarian Invasion of Late Roman Britain, Tree-Ring Study Reveals

Apr. 17, 2025 — Three consecutive years of drought contributed to the 'Barbarian Conspiracy', a pivotal moment in the history of Roman Britain, a new study reveals. Researchers argue that Picts, Scotti and ...

Secret to Crocodylian Longevity

Apr. 16, 2025 — Researchers examined teeth and skulls of 99 extinct crocodylomorph species and 20 living crocodylian species to reconstruct their dietary ecology and identify characteristics that helped some groups ...

Wealth Inequality's Deep Roots in Human Prehistory

Apr. 14, 2025 — Wealth inequality began shaping human societies more than 10,000 years ago, long before the rise of ancient empires or the invention of writing. That's according to a new study that challenges ...

Mammoth Genetic Diversity Throughout the Last Million Years

Apr. 9, 2025 — A new genomic study has uncovered long-lost genetic diversity in mammoth lineages spanning over a million years, providing new insights into the evolutionary history of these ...

Animal Behavioral Diversity at Risk in the Face of Declining Biodiversity

Apr. 3, 2025 — Drastic declines in biodiversity due to human activities present risks to understanding animal behaviors such as tool use, according to new research. Shrinking animal populations make the study of ...

Machine Learning Helps Construct an Evolutionary Timeline of Bacteria

Apr. 3, 2025 — Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through ...

Bees Actively Adjust Flower Choice Based on Color and Distance: Updating 'Flower Constancy' Beyond Darwin's Theory

Apr. 3, 2025 — Since Darwin's time, the phenomenon known as flower constancy -- i.e., where insects consistently visit the same flower type even when many others are also present -- has been understood as a ...

First Ancient Genomes from the Green Sahara Deciphered

Apr. 2, 2025 — An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest desert in the world temporarily turned into a humid savanna-like environment. ...

Discovery of Quina Technology Challenges View of Ancient Human Development in East Asia

Mar. 31, 2025 — Researchers have uncovered a complete Quina technological system in the Longtan site in southwest China. The discovery challenges the widely held perception that the Middle Paleolithic period was ...

'She Loves Me, She Loves Me Not': Physical Forces Encouraged Evolution of Multicellular Life, Scientists Propose

Mar. 31, 2025 — A study presents a striking example of cooperative organization among cells as a potential force in the evolution of multicellular life. The study is based on the fluid dynamics of cooperative ...