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Scientists Find Biology’s Optimal “Molecular Alphabet” May Be Preordained

Yesterday

The amino acids, a fundamental set of life’s building blocks, may have been adaptive throughout their evolution, suggesting…
NASA’s Hubble Finds Water Vapor on Habitable-Zone Exoplanet for 1st Time

6 days ago

Its size and surface gravity are much larger than Earth’s, and its radiation environment may be hostile, but…
The Universe may Contain many Planets even More Suited to Life than Earth, Study Suggests

August 23, 2019

So far, the search for extra-terrestrial life has been a dismal endeavour, with countless promising worlds turning out…
Scientists found an explanation, why the Proterozoic eon was the ‘boring billion’

August 23, 2019

The fact that there is life on Earth is akin to a miracle. At the beginning of the…
First cells on ancient Earth may have emerged because building blocks of proteins stabilized membranes

August 13, 2019

Life on Earth arose about 4 billion years ago when the first cells formed within a primordial soup…
Pre-Life Building Blocks Spontaneously Align in Evolutionary Experiment

August 5, 2019

When Earth was a lifeless planet about 4 billion years ago, chemical components came together in tiny molecular…
Super salty, subzero Arctic water provides peek at possible life on other planets

July 12, 2019

In recent years, the idea of life on other planets has become less far-fetched. NASA will send a…
Exoplanet evolution: Astronomers expand cosmic ‘cheat sheet’

July 11, 2019

Cornell astronomers have reached into nature’s color palette from early Earth to create a cosmic “cheat sheet” for…
Key early steps for origin of life occur under a variety of conditions

July 9, 2019

Potential precursors to life on Earth form from a variety of complex mixtures, according to a team of…
New Discovery could Rewrite Textbooks on Evolutionary Theory

June 13, 2019

With the publication of a new study in the leading scientific journal Nature, a group of researchers from…
How Life on Earth Affected its Inner Workings

May 10, 2019

It is well known that life on Earth and the geology of the planet are intertwined, but a…
Ancient community of undersea microbes may resemble early life on Earth, other planets

April 2, 2019

Far beneath the surface of the ocean off the Pacific Northwest coast of the United States – and…
The Helix, of DNA Fame, May Have Arisen with Startling Ease

January 25, 2019

Trying to explain how DNA and RNA evolved to form such neat spirals has been a notorious enigma…
Why deep oceans gave life to the first big, complex organisms?

December 18, 2018

In the beginning, life was small. For billions of years, all life on Earth was microscopic, consisting mostly…
Liquid crystals and the origin of life

October 8, 2018

The display screens of modern televisions, cell phones and computer monitors rely on liquid crystals – materials that…
Estimating When Life Could Have Arisen on Earth

September 5, 2018

The question how life began on Earth has always been a matter of profound interest to scientists. But…
It Looks Like Plate Tectonics are not Required to Support Life

August 6, 2018

When looking for potentially-habitable extra-solar planets, scientists are somewhat restricted by the fact that we know of only…
Why life on Earth first got big

June 26, 2018

Some of the earliest complex organisms on Earth – possibly some of the earliest animals to exist –…
Is hydroxyapatite key player in origin of life?

April 24, 2018

Researchers at the University of Tokyo have discovered that hydroxyapatite, a natural ore and a major mineral component…
Asteroid “Time Capsules” May Help Explain How Life Started on Earth

February 22, 2018

In popular culture, asteroids play the role of apocalyptic threat, get blamed for wiping out the dinosaurs –…
Ingredients for Life Revealed in Meteorites That Fell to Earth

January 11, 2018

Two wayward space rocks, which separately crashed to Earth in 1998 after circulating in our solar system’s asteroid…
Meteorites reveal story of Martian climate

January 10, 2018

Liquid water is not stable on Mars’ surface because the planet’s atmosphere is too thin and temperatures are…
Just a Billion Years After the Earth Formed, Life had Already Figured out Plenty of Tricks

December 23, 2017

Life on Earth has had a long and turbulent history. Scientists estimate that roughly 4 billion years ago,…
Oldest fossils ever found show life on Earth began before 3.5 billion years ago

December 19, 2017

Researchers at UCLA and the University of Wisconsin–Madison have confirmed that microscopic fossils discovered in a nearly 3.5…
Ancient fossil microorganisms indicate that life in the universe is common

December 18, 2017

A new analysis of the oldest known fossil microorganisms provides strong evidence to support an increasingly widespread understanding…
First forms of life on Earth unveiled in hot spring

November 30, 2017

Terrestrial geothermal systems are like buried treasure when it comes to finding out the origins of life on…
Traces of life on nearest exoplanets may be hidden in equatorial trap

November 29, 2017

New simulations show that the search for life on other planets may well be more difficult than previously…
Mars Study Yields Clues to Possible Cradle of Life

October 7, 2017

The discovery of evidence for ancient sea-floor hydrothermal deposits on Mars identifies an area on the planet that…
DNA could have been given to Earth from space? Scientists outlined the possibility

September 15, 2017

How did life develop on Earth? No one really knows, although many scientists believe that meteorites could have…
Was the Primordial Soup a Hearty Pre-Protein Stew?

September 4, 2017

The primordial soup that sloshed around billions of years ago, and eventually led to first life on our…
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