EARLY EARTH

News About The Primordial Earth

1,835 articles

Steaming cauldron followed the dinosaurs' demise
Jun 02, 2020 (SPX)
The Chicxulub impact crater, roughly 180 kilometers in diameter, is the best preserved large impact structure on Earth and a target for exploration of several i...
New study finds cannibalism in predatory dinosaurs
May 29, 2020 (SPX)
"Scavenging, and even cannibalism, is pretty common among modern predators," said lead author Stephanie Drumheller, a paleontologist in the University of Tennes...
Study shows erosion of ozone layer responsible for mass extinction event
May 28, 2020 (SPX)
There have been a number of mass extinction in the geological past. Only one was caused by an asteroid hitting the Earth, which was 66 million years ago when th...
Ancient ocean oxygen levels associated with changing atmospheric carbon dioxide
May 21, 2020 (SPX)
Recent research suggests that there was enhanced storage of respired carbon in the deep ocean when levels of atmospheric carbon dioxide concentrations were lowe...
A lost world and extinct ecosystem
May 15, 2020 (SPX)
The Arizona State University Institute of Human Origins (IHO) field study site of Pinnacle Point sits at the center of this record, both geographically and scie...
The long legs of tyrannosaur made for marathon walking
May 14, 2020 (SPX)
But a new study by the University of Maryland's Thomas Holtz and his colleagues suggests that long legs evolved among the biggest dinosaurs to help them conserv...
Ancient rocks show high oxygen levels on Earth 2 billion years ago
May 13, 2020 (SPX)
The international team of researchers, led by UAlberta scientists, studied a Russian drill core containing shungite - a unique carbon-rich sedimentary rock depo...
Male, female dinosaur fossils too similar to distinguish, researchers say
May 12, 2020 (UPI)
For the study, scientists analyzed dozens of skulls belonging to the modern-day gharial, an endangered and giant crocodilian species native to India and Nepal. ...
A billion years is missing from the geologic record
May 11, 2020 (SPX)
One omission in particular has puzzled scientists for well over a century. First noticed by John Wesley Powell in 1869 in the layers of the Grand Canyon, the Gr...
Fossil reveals evidence of 200-million-year-old 'squid' attack
May 07, 2020 (SPX)
The fossil was found on the Jurassic coast of southern England in the 19th century and is currently housed within the collections of the British Geological Surv...
Unlike Jurassic Park, real raptors may not have hunted in packs
May 06, 2020 (UPI)
While the coordinated attacks of Velociraptor dinosaurs depicted in the 1993 blockbuster made for compelling movie viewing, a new study -- published this week i...
Bizarre 66 million-year-old fossil from Madagascar provides clues on early mammals
May 01, 2020 (SPX)
"When Dr. Krause showed it to me in a scientific meeting and asked me for my opinion, I said I had never seen anything like this," Rougier recalled. "This mamma...
World's longest predatory dinosaur used its tail to swim
Apr 29, 2020 (UPI)
Detailed analysis of the only existing Spinosaurus aegyptiacus remains suggests the world's longest predatory dinosaur lived in a large river system and used it...
Predator-packed Sahara was most dangerous place on Earth 100M years ago
Apr 24, 2020 (UPI)
More than 100 million years ago, the Sahara was equally dangerous -- the most dangerous place on the planet, new research suggests -- but for much different rea...
Once dinosaurs were gone, some birds evolved big brains
Apr 23, 2020 (UPI)
The new evolutionary models -- detailed this week in the journal Current Biology -- showed birds and non-avian dinosaurs boasted similar relative brain sizes pr...
New geochemical tool reveals origin of Earth's nitrogen
Apr 17, 2020 (SPX)
Nitrogen is the most abundant gas in the atmosphere, and is the primary component of the air we breathe. Nitrogen is also found in rocks, including those tucked...
Origins of Earth's magnetic field remain a mystery
Apr 09, 2020 (SPX)
But as intriguing as this origin story may be, an MIT-led team has now found evidence to the contrary. In a paper published in Science Advances, the team examin...
Fossil shows earless seals living in Australia 3 million years ago
Apr 06, 2020 (UPI)
Scientists identified a 3-million-year-old tooth, found on a beach in the state of Victoria, as belonging to an ancient earless seal species. The tooth is only ...
Most of Earth's carbon was hidden in the core during its formative years
Apr 06, 2020 (SPX)
Now, a team of scientists reports March 30 in the journal Proceedings of the National Academy of Sciences how carbon behaved during Earth's violent formative pe...
Traces of ancient rainforest in Antarctica point to a warmer prehistoric world
Apr 06, 2020 (SPX)
A team from the UK and Germany discovered forest soil from the Cretaceous period within 900 km of the South Pole. Their analysis of the preserved roots, pollen ...
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