Science Daily - Fossils

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Paleontology and fossil records. Read about fossil finds over the last 10 years starting with the most recent research. Full text, photos.
Updated: 16 min 22 sec ago

A festive flying reptile family reunion 150 million years in the making

Thu, 12/19/2024 - 14:24
A new study finds nearly 50 hidden relatives of Pterodactylus, the first pterosaur. Joined by its newly discovered relatives, Pterodactylus's 'family' now encompasses tiny flaplings, a host of teenagers, some mums and dads and even a few large old seniors. Fluorescing bones stimulated by powerful LED UV torches, revealed invisible details of the head, hands and feet of Pterodactylus.
Categories: Fossils

Researchers identify a mysterious fossil seed to reveal new chapters in climate history of Los Angeles

Thu, 12/19/2024 - 14:22
Scientists have successfully identified a previously unknown species to Southern California from fossilized seeds, revealing a drought-fueled dance between two species of juniper with lessons for the region's climate future.
Categories: Fossils

Chart of life extended by nearly 1.5 billion years

Thu, 12/19/2024 - 14:16
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 counts, telling scientists about the origin, diversification, and extinction of ancient life. With this new study, the chart of life now includes life forms from the Proterozoic Eon, 2,500 million to 539 million years ago. Proterozoic life was generally smaller and squishier -- like sea sponges that didn't develop mineral skeletons -- and left fewer traces to fossilize in the first place.
Categories: Fossils

Massive volcanic eruptions did not cause the extinction of dinosaurs

Wed, 12/18/2024 - 16:48
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, impacted.
Categories: Fossils

Study sheds light on the origin of the genetic code

Thu, 12/12/2024 - 18:02
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 flawed.
Categories: Fossils

A new timeline for Neanderthal interbreeding with modern humans

Thu, 12/12/2024 - 13:57
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 between Homo sapiens and Neanderthals about 47,000 years ago, over a single, extended period of about 7,000 years. The findings help pin down dates for out-of-Africa migration and the dispersal of Homo sapiens.
Categories: Fossils

Oldest modern human genomes sequenced

Thu, 12/12/2024 - 13:57
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 human genomes to date. The genomes were recovered from seven individuals who lived between 42,000 and 49,000 years ago in Ranis, Germany and Zlaty kun, Czechia. These genomes belonged to individuals who were part of a small, closely related human group that first split off from the population that left Africa around 50,000 years ago and later settled the rest of the world. Although they separated early, the Neanderthal DNA in their genomes traces back to an admixture event common to all people outside Africa, that the researchers date to around 45,000-49,000 years ago, much later than previously thought.
Categories: Fossils

Unique insights into lives of people who lived over 5,600 years ago near Kosenivka, Ukraine

Wed, 12/11/2024 - 13:36
A new study sheds light on the lives of people who lived over 5,600 years ago near Kosenivka, Ukraine. Researchers present the first detailed bioarchaeological analyses of human diets from this area and provide estimations on the causes of death of the individuals found at this site.
Categories: Fossils

Earliest deep-cave ritual compound in Southwest Asia discovered

Mon, 12/09/2024 - 15:24
A cave in Galilee, Israel, has yielded evidence for ritualistic gathering 35,000 years ago, the earliest on the Asian continent.
Categories: Fossils

Insect fossil find 'extremely rare'

Mon, 12/02/2024 - 21:19
Newly discovered insect fossils are so small they can barely be seen by the human eye but have been preserved in an 'extraordinary' way.
Categories: Fossils

A fossil first: Scientists find 1.5-million-year-old footprints of two different species of human ancestors at same spot

Thu, 11/28/2024 - 19:07
More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed each other as they scavenged for food. Scientists know this because they have examined 1.5-million-year-old fossils they unearthed and have concluded they represent the first example of two sets of hominin footprints made about the same time on an ancient lake shore. The discovery will provide more insight into human evolution and how species cooperated and competed with one another, the scientists said.
Categories: Fossils

Brains grew faster as humans evolved

Wed, 11/27/2024 - 13:00
Brain size increased gradually within each ancient human species rather than through sudden leaps between species.
Categories: Fossils

World's oldest lizard wins fossil fight

Tue, 11/26/2024 - 18:17
A storeroom specimen that changed the origins of modern lizards by millions of years has had its identity confirmed.
Categories: Fossils

Scientists use ancient DNA to shed light on adaptation of early Europeans

Tue, 11/19/2024 - 17:18
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 their environments over 7,000 years of European history.
Categories: Fossils

The chilling sound of the Aztec death whistle

Tue, 11/19/2024 - 12:29
The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in sacrificial rituals.
Categories: Fossils

Tiny worm makes for big evolutionary discovery

Mon, 11/18/2024 - 11:52
The history of a major animal group, composed of millions of species of insects, arachnids, and nemotodes, has been elusive -- until now. A team has now identified the oldest known ecdysozoan in the fossil record and the only one from the Precambrian period.
Categories: Fossils

Earliest evidence of humans using fire to shape the landscape of Tasmania

Sat, 11/16/2024 - 18:56
Some of the first human beings to arrive in Tasmania, over 41,000 years ago, used fire to shape and manage the landscape, about 2,000 years earlier than previously thought.
Categories: Fossils

Egyptians drank hallucinogenic cocktails in ancient rituals, study confirms

Fri, 11/15/2024 - 11:46
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, pine nuts, licorice and grapes -- commonly used to make the beverage look like blood.
Categories: Fossils

Bird brain from the age of dinosaurs reveals roots of avian intelligence

Wed, 11/13/2024 - 11:33
A 'one of a kind' fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate evolution.
Categories: Fossils

New insights into the Denisovans: New hominin group that interbred with modern day humans

Fri, 11/08/2024 - 10:33
Scientists believe individuals of the most recently discovered 'hominin' group (the Denisovans) that interbred with modern day humans passed on some of their genes via multiple, distinct interbreeding events that helped shape early human history. Scientists outline evidence suggesting that several Denisovan populations, who likely had an extensive geographical range from Siberia to Southeast Asia and from Oceania to South America, were adapted to distinct environments. They further outline a number of genes of Denisovan origin that gave modern day humans advantages in their different environments.
Categories: Fossils

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