Evolution News

April 22, 2024

Top Headlines

New Butterfly Species Created 200,000 Years Ago by Two Species Interbreeding

Apr. 17, 2024 — Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago. Researchers have shown that an Amazonian butterfly is a ...

RNA's Hidden Potential: New Study Unveils Its Role in Early Life and Future Bioengineering

Apr. 18, 2024 — The origin of life continues to remain a matter of debate. The ribonucleic acid (RNA) world hypothesis proposes that 'ribozymes' which store genetic information and possess catalytic functions may ...

Mountain Chickadees Have Remarkable Memories. A New Study Explains Why

Apr. 17, 2024 — Mountain chickadees have among the best spatial memory in the animal kingdom. New research identifies the genes at play and offers insight into how a shifting climate may impact the evolution of this unique ...

Interspecies Competition Led to Even More Forms of Ancient Human -- Defying Evolutionary Trends in Vertebrates

Apr. 17, 2024 — Competition between species played a major role in the rise and fall of hominins -- and produced a 'bizarre' evolutionary pattern for the Homo lineage -- according to a new study that revises the ...

Latest Headlines

updated 10:55pm EDT

Genetic Variant Identified That Shaped the Human Skull Base

Apr. 17, 2024 — Researchers have identified a variant in the gene TBX1 as key in the development of the unique morphology at the base of the skull. TBX1 is present at higher levels in humans than in closely related ...

Seed Ferns: Plants Experimented With Complex Leaf Vein Networks 201 Million Years Ago

Apr. 16, 2024 — According to a research team led by palaeontologists, the net-like leaf veining typical for today's flowering plants developed much earlier than ...

Evolution's Recipe Book: How 'Copy Paste' Errors Cooked Up the Animal Kingdom

Apr. 15, 2024 — A series of whole genome and gene duplication events that go back hundreds of millions of years have laid the foundations for tissue-specific gene ...

How Seaweed Became Multicellular

Apr. 12, 2024 — A deep dive into macroalgae genetics has uncovered the genetic underpinnings that enabled macroalgae, or 'seaweed,' to evolve multicellularity. Three lineages of macroalgae developed multicellularity ...

Geobiology: New Placozoan Habitat Discovered

Apr. 11, 2024 — Traces of DNA in the stomachs of predatory snails give a team og geobiologists new insights into the ecology of ...

3D Mouth of an Ancient Jawless Fish Suggests They Were Filter-Feeders, Not Scavengers or Hunters

Apr. 10, 2024 — Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth's shape while they collected food. Experts ...

The Evolving Attitudes of Gen X Toward Evolution

Apr. 10, 2024 — As the centennial of the Scopes Monkey Trial of 1925 approaches, a new study illustrates that the attitudes of Americans in Generation X toward evolution shifted as they ...

Birdfeeders Are Designed to Keep Unwanted Guests Away

Apr. 9, 2024 — The first birdfeeders were made in the 19th century, and their design rapidly evolved during the 20th century. Researchers at the consider the evolution of the birdfeeder to be an example of ...

Toothed Whale Echolocation Organs Evolved from Jaw Muscles

Apr. 8, 2024 — Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the ...

In the Evolution of Walking, the Hip Bone Connected to the Rib Bones

Apr. 5, 2024 — A new reconstruction of the 375-million-year-old fossil fish Tiktaalik -- a close relative of limbed vertebrates -- used micro-CT to reveal bones still embedded in matrix. The reconstruction shows ...

Dinosaur Study Challenges Bergmann's Rule

Apr. 5, 2024 — A new study calls into question Bergmann's rule, an 1800s-era scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer ...

We've Had Bird Evolution All Wrong

Apr. 3, 2024 — Genomic anamolies dating back to the time of the dinosaurs misled scientists about the evolutionary history of ...

Persian Plateau Unveiled as Crucial Hub for Early Human Migration out of Africa

Mar. 25, 2024 — A new study combining genetic, palaeoecological, and archaeological evidence has unveiled the Persian Plateau as a pivotal geographic location serving as a hub for Homo sapiens during the early ...

Natural Recycling at the Origin of Life

Mar. 22, 2024 — How was complex life able to develop on the inhospitable early Earth? At the beginning there must have been ribonucleic acid (RNA) to carry the first genetic information. To build up complexity in ...

Rays Were More Diverse 150 Million Years Ago Than Previously Thought

Mar. 21, 2024 — Scientists have explored the puzzling world of rays that lived 150 million years ago and discovered a previously hidden diversity -- including a new ray species. This study significantly expands the ...

Across Oceans and Millennia: Decoding the Origin and History of the Bottle Gourd

Mar. 20, 2024 — Researchers have uncovered intriguing details about the origins and spread of the bottle gourd, one of the oldest domesticated crops. Their work unveils the genetic diversification and population ...

Tanks of the Triassic: New Crocodile Ancestor Identified

Mar. 18, 2024 — Dinosaurs get all the glory. But aetosaurs, a heavily armored cousin of modern crocodiles, ruled the world before dinosaurs did. These tanks of the Triassic came in a variety of shapes and sizes ...

Gene Flow in Giraffes and What It Means for Their Conservation

Mar. 12, 2024 — Giraffes, with their bizarre body plan, have always held a special place in the minds of evolutionary biologists and non-experts alike. In a new study whole-genome sequencing data was used to ...

New Study Discovers How Altered Protein Folding Drives Multicellular Evolution

Mar. 8, 2024 — Researchers have discovered a mechanism steering the evolution of multicellular life. They identified how altered protein folding drives multicellular ...

Modeling the Origins of Life: New Evidence for an 'RNA World'

Mar. 4, 2024 — Scientists provide fresh insights on the origins of life, presenting compelling evidence supporting the 'RNA World' hypothesis. The study unveils an RNA enzyme that can make accurate copies ...

An Evolutionary Mystery 125 Million Years in the Making

Mar. 4, 2024 — Plant biologists have uncovered an evolutionary mystery over 100 million years in the making. It turns out that sometime during the last 125 million years, tomatoes and Arabidopsis thaliana plants ...

Change in Gene Code May Explain How Human Ancestors Lost Tails

Feb. 28, 2024 — A genetic change in our ancient ancestors may partly explain why humans don't have tails like ...

Killer Instinct Drove Evolution of Mammals' Predatory Ancestors

Feb. 22, 2024 — The evolutionary success of the first large predators on land was driven by their need to improve as killers, researchers ...

Snakes Do It Faster, Better: How a Group of Scaly, Legless Lizards Hit the Evolutionary Jackpot

Feb. 22, 2024 — More than 100 million years ago, the ancestors of the first snakes were small lizards that lived alongside other small, nondescript lizards in the shadow of the ...

Butterfly and Moth Genomes Mostly Unchanged Despite 250 Million Years of Evolution

Feb. 21, 2024 — Comparison of over 200 high-quality butterfly and moth genomes reveals key insights into their biology, evolution and diversification over the last 250 million years, as well as clues for ...

An Awkward Family Reunion: Sea Monsters Are Our Cousins

Feb. 21, 2024 — The sea lamprey, a 500-million-year-old animal with a sharp-toothed suction cup for a mouth, is the thing of nightmares. A new study discovered that the hindbrain -- the part of the brain controlling ...

Ancient Retroviruses Played a Key Role in the Evolution of Vertebrate Brains

Feb. 15, 2024 — Researchers report that ancient viruses may be to thank for myelin -- and, by extension, our large, complex brains. The team found that a retrovirus-derived genetic element or ...

A Lighthouse in the Gobi Desert

Feb. 14, 2024 — A new study explores the weight great fossil sites have on our understanding of evolutionary relationships between fossil groups and quantified the power these sites have on our understanding of ...

The Hidden Rule for Flight Feathers -- And How It Could Reveal Which Dinosaurs Could Fly

Feb. 12, 2024 — Scientists examined hundreds of birds in museum collections and discovered a suite of feather characteristics that all flying birds have in common. These 'rules' provide clues as to how the ...

Harnessing Human Evolution to Advance Precision Medicine

Feb. 9, 2024 — Scientists hope to advance precision medicine through the discovery of a gene variant that leads to the same phenotype in separate high-dwelling populations while taking a different evolutionary ...