Three billion years ago, Earth was a very different place. The sun that shone on its oceans and continents was not as bright as it is today, and rather than the oxygen-rich atmosphere humans need to survive, methane played ...
Astronomy
May 4, 2020
1
145
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into the ones that exist today. Some researchers theorize it happened ...
Earth Sciences
Apr 22, 2020
4
3963
How the Earth got its moon is a long debated question. The giant impact theory – which states that the moon formed from the a collision between the early Earth and a rocky body called Theia—has become the front runner ...
Space Exploration
Mar 10, 2020
12
113
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
16
996
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
0
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
87
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
0
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
0
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
