Early Earth may have been a 'waterworld'
Kevin Costner, eat your heart out. New research shows that the early Earth, home to some of our planet's first lifeforms, may have been a real-life "waterworld"— without a continent in sight.
Kevin Costner, eat your heart out. New research shows that the early Earth, home to some of our planet's first lifeforms, may have been a real-life "waterworld"— without a continent in sight.
Earth Sciences
Mar 2, 2020
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Phosphorus, present in our DNA and cell membranes, is an essential element for life as we know it. But how it arrived on the early Earth is something of a mystery. Astronomers have now traced the journey of phosphorus from ...
Astronomy
Jan 15, 2020
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702
New research in Science Advances is uncovering the vital role that Precambrian-eon microbes may have played in two of the early Earth's biggest mysteries.
Earth Sciences
Dec 2, 2019
7
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To truly understand how the body works and improve human health, researchers need to tease apart the building blocks of our cells. But as scientists continue to make major breakthroughs in cellular biology, an important question ...
Biochemistry
Oct 9, 2019
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199
Uncovering how the first biological molecules (like proteins and DNA) arose is a major goal for researchers attempting to solve the origin of life. Today, chemists at Saint Louis University, in collaboration with scientists ...
Biochemistry
Oct 4, 2019
8
192
A new international study led by a Monash geoscientist has found that more crust was formed on the early Earth than previously thought.
Earth Sciences
Sep 24, 2019
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104
Earth didn't always harbor life. But around 4 billion years ago, something in the environment changed, and systems with biological properties began to emerge. Many scientists believe a lively dance of molecules called amino ...
Biochemistry
Aug 1, 2019
0
301
Before life began on Earth, the environment likely contained a massive number of chemicals that reacted with each other more or less randomly, and it is unclear how the complexity of cells could have emerged from such chemical ...
Biochemistry
Jul 23, 2019
41
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As our solar system was forming nearly four and a half billion years ago, a planet-sized object struck the early Earth, leading to the formation of the moon, possibly from a hot, spinning cloud of rock vapor called a synestia. ...
Space Exploration
Jul 10, 2019
1
265
Cornell astronomers have reached into nature's color palette from early Earth to create a cosmic "cheat sheet" for looking at distant worlds. By correlating tints and hues, researchers aim to understand where discovered exoplanets ...
Astronomy
Jul 10, 2019
0
101