Origin of Life News

December 24, 2024

Top Headlines

Chart of Life Extended by Nearly 1.5 Billion Years

Dec. 19, 2024 — Fossilized skeletons and shells clearly show how evolution and extinction unfolded over the past half a billion years, but a new analysis extends the chart of life to nearly 2 billion years ago. The chart shows the relative ups and downs in species ...

Massive Volcanic Eruptions Did Not Cause the Extinction of Dinosaurs

Dec. 18, 2024 — While volcanism caused a temporary cold period, the effects had already worn off thousands of years before the meteorite, the ultimate cause of the dinosaur extinction event, ...

Study Sheds Light on the Origin of the Genetic Code

Dec. 12, 2024 — Nearly all living organisms use the same genetic code, a complicated mechanism by which genetic information is translated into proteins, the building blocks of life. A new study suggests conventional wisdom about how the code evolved is likely ...

A New Timeline for Neanderthal Interbreeding With Modern Humans

Dec. 12, 2024 — Neanderthal genes make up 1-2% of the genomes of non-Africans. Scientists analyzed the lengths of regions of Neanderthal DNA in 58 ancient Eurasian genomes of early modern humans and determined that the introgressed genes result from interbreeding ...

Latest Headlines

updated 7:55pm EST

Oldest Modern Human Genomes Sequenced

Dec. 12, 2024 — Few genomes have been sequenced from early modern humans, who first arrived in Europe when the region was already inhabited by Neanderthals. An international team has now sequenced the oldest modern ...

Biological Diversity Is Not Just the Result of Genes

Dec. 11, 2024 — How can we explain the morphological diversity of living organisms? Although genetics is the answer that typically springs to mind, it is not the only explanation. By combining observations of ...

DNA of 1,000 Year-Old Maize Sheds Light on Origins of Globally Important Food Crop

Dec. 5, 2024 — Researchers have tested ancient DNA from corn found at archaeological sites in Arkansas, shedding new light on the dispersal of one of the world's ...

Deep-Sea Marvels: How Anglerfish Defy Evolutionary Expectations

Dec. 2, 2024 — A groundbreaking study sheds light on the extraordinary evolution of anglerfish, a group of deep-sea dwellers whose bizarre adaptations have captivated scientists and the public alike. The research ...

Brains Grew Faster as Humans Evolved

Nov. 27, 2024 — Brain size increased gradually within each ancient human species rather than through sudden leaps between ...

Herodotus' Theory on Armenian Origins Challenged by First Whole-Genome Study

Nov. 25, 2024 — Armenians, a population in Western Asia historically inhabiting the Armenian highlands, were long believed to be descendants of Phrygian settlers ...

Scientists Use Ancient DNA to Shed Light on Adaptation of Early Europeans

Nov. 19, 2024 — Leveraging a unique statistical analysis and applying it to ancient DNA extracted from human skeletal remains, a team of researchers has revealed new insights into how ancient Europeans adapted to ...

Egyptians Drank Hallucinogenic Cocktails in Ancient Rituals, Study Confirms

Nov. 15, 2024 — Scholars for the first time identified chemical signatures of the components of a liquid concoction contained in a Bes mug. A new technique helped identify a sample flavored with honey, sesame seeds, ...

Genetic Legacy of Jomon Hunter-Gatherers Linked to Increased BMI in Modern Japanese, Study Finds

Nov. 14, 2024 — New research exploring the roots of modern Japanese populations has linked the genetic signature of Jomon hunter-gatherers to a higher body mass ...

On the Origin of Life: How the First Cell Membranes Came to Exist

Nov. 13, 2024 — Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist? How did these early protocells develop the structural membranes necessary ...

A New Wrinkle in Turtles: Their Genomes Fold in a Unique Way, Researchers Find

Nov. 11, 2024 — A study described the three-dimensional architecture of turtle genomes, which fold in a configuration unlike any other animal observed so ...

The Egg or the Chicken? An Ancient Unicellular Says Egg

Nov. 6, 2024 — Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before ...

Evolutionary Paths Vastly Differ for Birds, Bats

Nov. 1, 2024 — New research has found that, unlike birds, the evolution of bats' wings and legs is tightly coupled, which may have prevented them from filling as many ecological niches as ...

How Life Began on Earth: Modeling Earth's Ancient Atmosphere

Oct. 31, 2024 — This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first ...

Ancient DNA Brings to Life History of the Iconic Aurochs, Whose Tale Is Intertwined With Climate Change and Human Culture

Oct. 30, 2024 — Geneticists have deciphered the prehistory of aurochs -- the animals that were the focus of some of the most iconic early human art -- by analyzing 38 genomes harvested from bones dating across 50 ...

Fossil Hunters Strike Gold With New Species

Oct. 29, 2024 — Paleontologists have identified fossils of an ancient species of bug that spent the past 450 million years covered in fool's gold in central New York. The new species, Lomankus edgecombei, is a ...

'Drowning Continent': Western Australian Coastline's Complex History

Oct. 22, 2024 — A study investigating the complex evolution of two iconic Western Australian landmarks, has traced their transformation over thousands of years and offers a glimpse into their future. Researchers ...

What Happened When a Meteorite the Size of Four Mount Everests Hit Earth?

Oct. 21, 2024 — Scientists paint a compelling picture of what happened the day the S2 meteorite crashed into Earth 3.26 billion years ...

Turtle Genome Provides New Clues on the Evolution of Vertebrates

Oct. 21, 2024 — Scientists have generated the genome assemblies of two hidden-neck turtles, unpublished until now. The results, which revealed a new three-dimensional structure of the genome within the phylogenetic ...

Creating a Simplified Form of Life

Oct. 21, 2024 — How can lifeless molecules come together to form a living ...

Ancient Viral DNA in the Human Genome Linked to Multiple Sclerosis and Amyotrophic Lateral Sclerosis

Oct. 21, 2024 — New research has revealed a connection between ancient viral DNA embedded in the human genome and the genetic risk for two major diseases that affect the central nervous ...

Why Do We Love Carbs? The Origins Predate Agriculture and Maybe Even Our Split from Neanderthals

Oct. 17, 2024 — A new study reveals how the duplication of the salivary amylase gene may not only have helped shape human adaptation to starchy foods, but may have occurred as far back as more than 800,000 years ...

Adaptability of Trees Persists After Millions of Years of Climate Change

Oct. 14, 2024 — Seven of the most common forest trees in Europe have been shown to be able to shelter their genetic diversity from major shifts in environmental conditions. This is despite their ranges having shrunk ...

How Did the Building Blocks of Life Arrive on Earth?

Oct. 11, 2024 — Researchers have used the chemical fingerprints of zinc contained in meteorites to determine the origin of volatile elements on Earth. The results suggest that without 'unmelted' asteroids, ...

2-Billion-Year-Old Rock Home to Living Microbes

Oct. 3, 2024 — Pockets of microbes have been found living within a sealed fracture in 2-billion-year-old rock. The rock was excavated from the Bushveld Igneous Complex in South Africa, an area known for its rich ...

World's Oldest Cheese Reveals Origins of Kefir

Sep. 25, 2024 — Scientists successfully extracted and analyzed DNA from ancient cheese samples found alongside the Tarim Basin mummies in China, dating back approximately 3,600 years. The research suggests a new ...

Unveiling Ancient Life: New Method Sheds Light on Early Cellular and Metabolic Evolution

Sep. 24, 2024 — Analyzing fossils can be difficult -- especially when they're so small that they can only be seen with a microscope. Researchers have now come up with a ...

Scientists Turn to Human Skeletons to Explore Origins of Horseback Riding

Sep. 20, 2024 — A new, wide-ranging exploration of human remains casts doubt on a long-standing theory in archaeology known as the Kurgan hypothesis -- which, among other claims, suggests that humans first ...

Researchers Publish Breakthrough Study on How New Genes Evolve

Sep. 19, 2024 — Findings suggest that new genes can form by repurposing fragments of ancestral genes while incorporating entirely new coding regions (the protein-coding parts of the DNA). This innovative concept ...

New Research Reenvisions Earth's Mantle as a Relatively Uniform Reservoir

Sep. 19, 2024 — Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic ...