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News About The Primordial Earth
October 15, 2014
Making oxygen before life
Davis CA (SPX) Oct 07, 2014
About one-fifth of the Earth's atmosphere is oxygen, pumped out by green plants as a result of photosynthesis and used by most living things on the planet to keep our metabolisms running. But before the first photosynthesizing organisms appeared about 2.4 billion years ago, the atmosphere likely contained mostly carbon dioxide, as is the case today on Mars and Venus. Over the past 40 years, researchers have thought that there must have been a small amount of oxygen in the early atmosphere. W ... read more

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Satellite Services supplies on-board sub-systems for smallsats and microsats.
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Dinosaur tracks in Bolivia threatened with extinction
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How dinosaur arms turned into bird wings
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Tooth serves as evidence of 220 million-year-old attack
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Tempur-Pedic Mattress Comparison & Memory Foam Mattress Review
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24/7 News Coverage
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New Mexico dig unearths new ankylosaur dino species
As they seem to do every week, scientists unveiled yet another new type of dinosaur on Wednesday - this one discovered in 2011 by a joint team of diggers from the New Mexico Museum of Natural History and Science and the State Museum of Pennsylvania. ... more
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Tooth lodged in thighbone evidence of ancient dino struggle
Paleontologists have long assumed that semiaquatic dinosaurs and land-based predators mostly kept their distance from each other, preferring to avoid conflict or interaction of any sort. But a new discovery by researchers at the University of Tennessee and Virginia Tech - a tooth lodged in an ancient dino thighbone - suggests these predators may have faced off regularly. ... more
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Multicellular fossil could be one of world's earliest animals
The evolutionary timeline is constantly evolving - being tweaked to adopt and adapt to new discoveries, new facts, new understandings. Thanks to a geologist at Virginia Tech and a team of researchers from Chinese Academy of Sciences, the storyline of multicellular organisms is likely to be shifted back 60 million years to account for new evidence of complex organisms. ... more
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Newly discovered dinosaur species had giant nose
Look out Jason Schwartzman and Barbara Streisand, there's a new famous nose on the block - and it belongs to a gentle giant who's more than 75 million years old - a newly discovered but long extinct species of dinosaur named Rhinorex condrupus. ... more
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Meteorite that doomed the dinosaurs helped the forests bloom
66 million years ago, a 10-km diameter chunk of rock hit the Yukatan peninsula near the site of the small town of Chicxulub with the force of 100 teratons of TNT. It left a crater more than 150 km a ... more
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Early Earth less hellish than previously thought
Conditions on Earth for the first 500 million years after it formed may have been surprisingly similar to the present day, complete with oceans, continents and active crustal plates. This alte ... more
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Scientists report first semiaquatic dinosaur, Spinosaurus
Scientists have unveiled what appears to be the first truly semiaquatic dinosaur, Spinosaurus aegyptiacus. New fossils of the massive Cretaceous-era predator reveal it adapted to life in the water s ... more
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Shark-munching Spinosaurus was first-known water dino: study
There once was a dinosaur, bigger than a T. rex, that swam with the sharks - and ate them for dinner. ... more
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Ancient sloths became big-bodied very quickly
Today, sloths take their time, sluggishly making their way from branch to branch in the jungles of South and Central America. Modern sloths are also small. Their ancestors, on the other hand, were giant, and they became that way rather quickly, evolving at an impressive pace. ... more
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Testing the fossil record
Researcher Bjarte Hannisdal is a co-author of an article in the journal Nature Communications, in which he and two colleagues ask a long-standing question: How good is the fossil record? Palae ... more
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Egyptian art offers clues to mammalian extinctions through history
Some six millennia ago, 37 species of large-bodied mammals roamed the deserts and river valleys of modern Egypt. Today, there are only eight. And as new research shows, ancient Egyptian art has helped tell the story of ecological loss in North Africa. ... more
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Drexel team unveils Dreadnoughtus
Scientists have discovered and described a new supermassive dinosaur species with the most complete skeleton ever found of its type. At 85 feet (26 m) long and weighing about 65 tons (59,300 kg) in ... more
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Trinity geologists re-write Earth's evolutionary history books
Geologists from Trinity College Dublin have rewritten the evolutionary history books by finding that oxygen-producing life forms were present on Earth some 3 billion years ago - a full 60 million ye ... more
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Plant Life Forms in the Fossil Record: When Did the First Canopy Flowers Appear?
Most plant fossils are isolated organs, making it difficult to reconstruct the type of plant life or its ecosystem structure. In their study for GEOLOGY, published online, researchers Camilla ... more
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How good is the fossil record?
Methods have been developed to try to identify and correct for bias in the fossil record but new research from the Universities of Bristol and Bath, suggests many of these correction methods may act ... more
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Walking fish reveal how our ancestors evolved onto land
About 400 million years ago a group of fish began exploring land and evolved into tetrapods - today's amphibians, reptiles, birds, and mammals. But just how these ancient fish used their fishy bodie ... more
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Space News from SpaceDaily.com
Mars Odyssey Orbiter Watches Comet Fly Near

MAVEN Studies Passing Comet and Its Effects

"Houston: We Have A Problem...But No Worries, Our Virtual Therapist Is On It"

NASA Soil Moisture Mapper Arrives at Launch Site

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Curious signal hints at dark matter

NASA Tool Helps Airliners Minimize Weather Delays

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Oldest fossil of animal with muscles found in Newfoundland
Scientists say a fossil unearthed in Newfoundland is the earliest evidence of an animal with muscles - proof that complex animals had begun exploring the world earlier than previously thought. ... more
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Evolution stole birds' sweet tooth, hummingbirds got it back
Genome sequencing over the last decade has revealed birds to lack the gene T1R2, one of two that combine to allow animals to taste sugar. Alligators, on the other hand - one of birds' closest relatives - have both the necessary sweet tooth genes. The discrepancy suggests that as birds split off from dinosaurs on the evolutionary family tree, they lost their taste for sugar. Yet, hummingbirds are nectar fiends - they can't get enough. But why? And how? ... more
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Toothless 'dragon' pterosaurs dominated the Late Cretaceous skies
A new study provides an exciting insight into the Late Cretaceous and the diversity and distribution of the toothless 'dragon' pterosaurs from the Azhdarchidae family. The research was published in ... more
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Evolution of marine crocodilians constrained by ocean temperatures
The ancestors of today's crocodiles colonised the seas during warm phases and became extinct during cold phases, according to a new Anglo-French study which establishes a link between marine crocodi ... more
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New home for an 'evolutionary misfit'
One of the most bizarre-looking fossils ever found - a worm-like creature with legs, spikes and a head difficult to distinguish from its tail - has found its place in the evolutionary Tree of Life, ... more
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Fossilized marine plankton tell the tale of the end Permian mass extinction
The worst mass extinction the Earth has ever seen occurred 252 million years ago. The boundary of the Permian and Triassic geological periods marked the demise of around 90 percent of marine species ... more
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Toothless 'dragon' pterosaurs filled late Cretaceous skies
At some point during the late Cretaceous period, an epoch stretching from 100 to 66 million years ago, pterosaurs gave up their teeth. New research suggests these toothless winged dinosaurs came to dominate the ancient skies - specifically Azhdarchidan pterosaurs. ... more
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New type of ancient flying reptile discovered in Brazil
The fossil remains of yet another strange flying reptile has been discovered in Brazil, and researchers have confirmed that the bones are evidence of a previously undiscovered species - Caiuajara dobruskii. ... more
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