EARLY EARTH

News About The Primordial Earth

1,835 articles

Diversity aided mammals' survival over deep time
Apr 25, 2012 (SPX)
When it comes to adapting to climate change, diversity is the mammal's best defense. That is one of the conclusions of the first study of how mammals in North A...
Evidence for a geologic trigger of the Cambrian explosion
Apr 24, 2012 (SPX)
The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all anim...
Duck-billed dinosaurs endured long, dark polar winters
Apr 20, 2012 (SPX)
Duck-billed dinosaurs that lived within Arctic latitudes approximately 70 million years ago likely endured long, dark polar winters instead of migrating to more...
Egg-laying beginning of the end for dinosaurs
Apr 19, 2012 (SPX)
Their reproductive strategy spelled the beginning of the end: The fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous m...
Ammonites found mini oases at ancient methane seeps
Apr 18, 2012 (SPX)
Research led by scientists at the American Museum of Natural History shows that ammonites-an extinct type of shelled mollusk that's closely related to modern-da...
First mass extinction linked to marine anoxia
Apr 16, 2012 (SPX)
The end-Ordovician mass extinction, killing roughly 86% of all marine species, is now linked to nutrient-driven anoxia in the global ocean. This marine catastro...
What Triggers a Mass Extinction?
Apr 13, 2012 (SPX)
The second-largest mass extinction in Earth's history coincided with a short but intense ice age during which enormous glaciers grew and sea levels dropped. Alt...
Eggs of enigmatic dinosaur discovered
Apr 12, 2012 (SPX)
An Argentine-Swedish research team has reported a 70 million years old pocket of fossilized bones and unique eggs of an enigmatic birdlike dinosaur in Patagonia...
Scientists refine Earth's clock
Apr 09, 2012 (SPX)
New research has revealed that some events in Earth's history happened more recently than previously thought. Scientists from the British Geological Survey and ...
When dinosaurs roamed a fiery landscape
Apr 04, 2012 (SPX)
The dinosaurs of the Cretaceous may have faced an unexpected hazard: fire! In a paper published online, researchers from Royal Holloway University of London and...
Fossil raindrop impressions imply greenhouse gases loaded early atmosphere
Apr 02, 2012 (SPX)
In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is g...
Titanium paternity test fingers Earth as moon's sole parent
Mar 30, 2012 (SPX)
A new chemical analysis of lunar material collected by Apollo astronauts in the 1970s conflicts with the widely held theory that a giant collision between Earth...
New evidence that comets deposited building blocks of life on primordial Earth
Mar 28, 2012 (SPX)
New research reported here today at the 243rd National Meeting and Exposition of the American Chemical Society (ACS) provides further support for the idea that ...
Hazy shades of life on early Earth
Mar 21, 2012 (SPX)
A 'see-sawing' atmosphere over 2.5 billion years ago preceded the oxygenation of our planet and the development of complex life on Earth, a new study has shown....
Early Earth had 'flip-flop' atmosphere
Mar 19, 2012 (UPI)
A "see-saw" effect in Earth's atmosphere 2.5 billion years ago may have set the stage for the development of complex life, British and U.S. researchers say. The...
Some mammals used highly complex teeth to compete with dinosaurs
Mar 19, 2012 (SPX)
Conventional wisdom holds that during the Mesozoic Era, mammals were small creatures that held on at life's edges. But at least one mammal group, rodent-like cr...
The first dinosaur discovered in Spain is younger than originally thought
Mar 16, 2012 (SPX)
The research group from Aragon that has the same name as the first Aragosaurus ischiaticus dinosaur discovered 25 years ago in Teruel reveals that it is 15 mill...
Dinosaur fossil: Even specialized predators didn't turn down free meals
Mar 16, 2012 (SPX)
Scientists have discovered a bone from a pterosaur (giant flying reptile or 'pterodactyl') in the guts of the skeletal remains of a Velociraptor (small predator...
Mechanism for Burgess Shale-type preservation
Mar 15, 2012 (SPX)
The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," th...
A new theory on the formation of the oldest continents
Mar 14, 2012 (SPX)
The earth's structure can be compared to an orange: its crust is the peel supported by the earth's heavy mantle. That peel is made up of a continental crust 30 ...
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