EARLY EARTH

News About The Primordial Earth

1,835 articles

Molecular 'Midwives' Helped Give Birth to RNA
May 19, 2016 (SPX)
All life on Earth uses DNA to encode and store genes, and to pass them on from one generation to the next. RNA, a close molecular relative of DNA, is used withi...
Rice-led study offers new answer to why Earth's atmosphere became oxygenated
May 18, 2016 (SPX)
Earth scientists from Rice University, Yale University and the University of Tokyo are offering a new answer to the long-standing question of how our planet acq...
Surviving evidence of Earth's formative years
May 13, 2016 (SPX)
New work from a team including Carnegie's Hanika Rizo and Richard Carlson, as well as Richard Walker from the University of Maryland, has found material in rock...
Scientists find 'birthmarks' from Earth's infancy
May 13, 2016 (SPX)
University of Maryland Professor of Geology Richard Walker and fellow scientists in a multi-institution research team have found two 'birthmarks' within Earth's...
Cosmic dust reveals Earth's ancient atmosphere
May 13, 2016 (SPX)
Using the oldest fossil micrometeorites - space dust - ever found, Monash University-led research has made a surprising discovery about the chemistry of Earth's...
Early Earth's air weighed less than half of today's atmosphere
May 11, 2016 (SPX)
The idea that the young Earth had a thicker atmosphere turns out to be wrong. New research from the University of Washington uses bubbles trapped in 2.7 billion...
New evidence connects dung beetle evolution to dinosaurs
May 09, 2016 (SPX)
Researchers have found an evolutionary connection between dinosaurs and dung beetles. An international team of scientists uncovered the first molecular evidence...
A filter that shaped evolution of primates in Asia
May 09, 2016 (SPX)
By studying fossils from southern China, scientists have gained insights into how primates in Asia evolved to resemble the array seen today. The results suggest...
Endangered venomous mammal predates dinosaurs' extinction
May 08, 2016 (SPX)
The University of Illinois and University of Puerto Rico have completely sequenced the mitochondrial genome for the Hispaniolan solenodon, filling in the last m...
Trinity scientists reveal origin of Earth's oldest crystals
May 05, 2016 (SPX)
New research suggests that the very oldest pieces of rock on Earth - zircon crystals - are likely to have formed in the craters left by violent asteroid impacts...
Geochemical detectives use lab mimicry to look back in time
May 05, 2016 (SPX)
New work from a research team led by Carnegie's Anat Shahar contains some unexpected findings about iron chemistry under high-pressure conditions, such as those...
Unique fragment from Earth's formation returns after billions of years in cold storage
May 04, 2016 (SPX)
In a paper to be published in the journal Science Advances, lead author Karen Meech of the University of Hawai`i's Institute for Astronomy and her colleagues co...
Role of life's timekeeper - a novel theory of animal evolution
Apr 29, 2016 (SPX)
This article presents a new theory of animal (metazoan) evolution, suggesting that it was partly mediated through a biochemical oscillator (cycler), named Life'...
Fossils may reveal 20-million-year history of penguins in Australia
Apr 29, 2016 (SPX)
Multiple dispersals of penguins reached Australia after the continent split from Antarctica, including 'giant penguins' that may have lived there after they wen...
Tiny fossil horses put their back into it
Apr 29, 2016 (SPX)
Modern horses are expert runners. They reach top speeds using a special running gait in which they hold their back stiff as they move. A new study reveals that ...
Study shows dinosaur families chose to exit Europe
Apr 28, 2016 (SPX)
Researchers have used 'network theory' for the first time to visually depict the movement of dinosaurs around the world during the Mesozoic Era - including a cu...
How and why single cell organisms evolved into multicellular life
Apr 28, 2016 (SPX)
Throughout the history of life on Earth, multicellular life evolved from single cells numerous times, but explaining how this happened is one of the major evolu...
Missing links brewed in primordial puddles
Apr 28, 2016 (SPX)
The crucibles that bore out early building blocks of life may have been, in many cases, modest puddles. Now, researchers working with that hypothesis have achie...
Mammal-like reptile survived much longer than thought
Apr 28, 2016 (SPX)
Teeth can reveal a lot, such as how the earliest mammals lived with their neighbors. Researchers have uncovered dozens of fossilized teeth in Kuwajima, Japan an...
Leg-wing coordination key tp origin of flight for baby birds, dinosaurs
Apr 27, 2016 (SPX)
Hi-res X-ray movies reveal that despite having extremely underdeveloped muscles and wings, young birds may acquire a mature flight stroke early in development b...
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