#origin-of-life

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#astrophysics

Two essential questions about life in the Universe

The book 'Is Earth Exceptional' explores the origins of life on Earth and the search for extraterrestrial life using scientific exploration and probability.

Life Spreads Through Universe in Cosmic Dust, Paper Suggests

Life on Earth may result from particles that create stars.
Panspermia theory suggests life seeds can travel between planets.

Two essential questions about life in the Universe

The book 'Is Earth Exceptional' explores the origins of life on Earth and the search for extraterrestrial life using scientific exploration and probability.

Life Spreads Through Universe in Cosmic Dust, Paper Suggests

Life on Earth may result from particles that create stars.
Panspermia theory suggests life seeds can travel between planets.
moreastrophysics

Comet Watch! On October 24, Don't Miss This Visitor From The Oort Cloud

The Oort Cloud is a theoretical structure surrounding our solar system that may contain numerous icy bodies, influencing both comet activity and the origin of life on Earth.
#scientific-research

Ground-breaking discovery from deepest ever hole dug near 'lost city'

Scientists have potentially uncovered clues about the origin of life by drilling into the Earth's mantle at the Lost City Hydrothermal Field.

Rain may have helped form the first cells, kick-starting life as we know it

Rainwater played a crucial role in stabilizing early cells, facilitating the evolution of complex life.

Was Life on Earth Inevitable or Incredible?

The origin of life on Earth remains uncertain, highlighting the need to explore for life beyond our planet.

Ground-breaking discovery from deepest ever hole dug near 'lost city'

Scientists have potentially uncovered clues about the origin of life by drilling into the Earth's mantle at the Lost City Hydrothermal Field.

Rain may have helped form the first cells, kick-starting life as we know it

Rainwater played a crucial role in stabilizing early cells, facilitating the evolution of complex life.

Was Life on Earth Inevitable or Incredible?

The origin of life on Earth remains uncertain, highlighting the need to explore for life beyond our planet.
morescientific-research

"Life does not exist": The deceptively tricky task of defining life

Life is fundamentally challenging to define, blurring the lines between living and non-living.
Prominent scientists argue about the essence and existence of life, suggesting it may be an illusion.

Scientists are drilling into the ocean's 'Lost City' to find the origins of life - take a look

Researchers are investigating the origins of life by drilling into the seafloor to study ancient rocks and potential organic molecules. These studies focus on hydrothermal vents.

How Did the First Cells Arise? With a Little Rain, Study Finds.

Rain may have been crucial to the emergence of life, influencing the formation of protocells that led to early cellular evolution.
#evolution

Did life on Earth begin earlier than we think? DW 08/01/2024

Humanity has long questioned the origin of life on Earth, with recent studies suggesting complex life could have begun much earlier than previously thought.

The Architecture of Life | HackerNoon

Life is defined as a non-equilibrium, self-reproducing chemical reaction system characterized by collective autocatalysis and various closure properties.

The Limitations of Set Theory in Understanding Biological Evolution | HackerNoon

The emergence of life is anticipated as a phase transition in an evolving universe.

Did life on Earth begin earlier than we think? DW 08/01/2024

Humanity has long questioned the origin of life on Earth, with recent studies suggesting complex life could have begun much earlier than previously thought.

The Architecture of Life | HackerNoon

Life is defined as a non-equilibrium, self-reproducing chemical reaction system characterized by collective autocatalysis and various closure properties.

The Limitations of Set Theory in Understanding Biological Evolution | HackerNoon

The emergence of life is anticipated as a phase transition in an evolving universe.
moreevolution
#earths-mantle

Scientists Drill Super Deep Into Weird Underwater Structures

The deepest and largest mantle sample ever recovered sheds light on the origins of life billions of years ago.

Longest rock core from Earth's mantle opens window into the origins of life

Unprecedented discovery of Earth's mantle rocks sheds light on development of life.

Scientists Drill Super Deep Into Weird Underwater Structures

The deepest and largest mantle sample ever recovered sheds light on the origins of life billions of years ago.

Longest rock core from Earth's mantle opens window into the origins of life

Unprecedented discovery of Earth's mantle rocks sheds light on development of life.
moreearths-mantle

Ship Brings Rocky Clues to Life's Origins Up From Ocean's Lost City'

Specialists have discovered a massive and rare sample of rocky material from deep in the Mid-Atlantic seabed crucial for studying the origin of life on Earth.

How did life begin on Earth? Research zeroes in on lightning strikes. - Harvard Gazette

Lightning strikes may have played a vital role in transforming the early Earth's atmosphere and enabling the formation of life.

Where Did Life Come From, Exactly? The Answer Is Out There

Amino acids found on interstellar dust; life's origin both astrochemical and Earth-based.

A Test for Life Versus Non-Life

Assembly theory offers a new perspective on the emergence of life, focusing on how complex structures are assembled from smaller parts in the universe.
#oxygen-production

Electricity at the Bottom of the Ocean Is Producing Oxygen, Scientists Say

Researchers discovered a natural O2 factory in rocks on the ocean floor, challenging the belief that sunlight-photosynthesizing organisms were the Earth's sole oxygen producers.

Scientists may have discovered 'dark oxygen' being created without photosynthesis

The discovery of 'dark oxygen' production challenges traditional beliefs on oxygen creation and raises questions about early life origins and the potential for alternative sources.

Electricity at the Bottom of the Ocean Is Producing Oxygen, Scientists Say

Researchers discovered a natural O2 factory in rocks on the ocean floor, challenging the belief that sunlight-photosynthesizing organisms were the Earth's sole oxygen producers.

Scientists may have discovered 'dark oxygen' being created without photosynthesis

The discovery of 'dark oxygen' production challenges traditional beliefs on oxygen creation and raises questions about early life origins and the potential for alternative sources.
moreoxygen-production

Did Life on Earth Come From Space? A New Study Gives the Theory a Boost

Some building blocks essential for life, such as peptides, may form more easily in space and could have been delivered to Earth by meteorites or comets.

How did life on Earth begin? Cracks may have been the key.

The study demonstrates how heat flowing through interconnected geologic cracks could produce complex building blocks of life on early Earth.

Scientists replicated Earth's earliest form of evolution in the lab

RNA World hypothesis suggests RNA predates life
RNA polymerase ribozymes play crucial role in RNA evolution

Saturn's Death Star' moon may have a secret young ocean scientists

Mimas, Saturn's moon, may have a young ocean beneath its surface
The ocean on Mimas is estimated to be 5-15 million years old

Life on Earth may have started when lightning hit volcano eruptions

Lightning from volcanic eruptions in ancient times emitted extreme levels of nitrogen, which triggered the earliest lifeforms.
Nitrogen combined with lightning strikes reacts with oxygen and produces nitrogen oxide, creating an environment suitable for life to develop and sustain.
#nasa

Asteroid pieces brought to Earth may offer clue to life's origin

NASA's OSIRIS-REx mission has collected particles from the asteroid Bennu and scientists are analyzing them to better understand the origin of life.
Preliminary analysis of the asteroid material has revealed carbon-based organics and other intriguing molecules, shedding light on the molecular building blocks of the solar system.

NASA's asteroid samples may hold clues to how life formed on Earth

The sample collected from the asteroid Bennu is rich in carbon, a building block of life, and contains significant amounts of water.
Scientists believe that asteroids like Bennu may have delivered the building blocks of life to Earth billions of years ago.

Scientists Find Organic Matter in Sample From Distant Asteroid

Researchers studying samples from the asteroid Ryugu have found cometary organic matter, supporting the theory that life on Earth may have been seeded by ancient asteroid impacts.
The samples contained 'melt splashes' with carbonaceous materials that resemble primitive organic matter, suggesting that cometary dust mixed with Ryugu's hydrous silicates.

Asteroid pieces brought to Earth may offer clue to life's origin

NASA's OSIRIS-REx mission has collected particles from the asteroid Bennu and scientists are analyzing them to better understand the origin of life.
Preliminary analysis of the asteroid material has revealed carbon-based organics and other intriguing molecules, shedding light on the molecular building blocks of the solar system.

NASA's asteroid samples may hold clues to how life formed on Earth

The sample collected from the asteroid Bennu is rich in carbon, a building block of life, and contains significant amounts of water.
Scientists believe that asteroids like Bennu may have delivered the building blocks of life to Earth billions of years ago.

Scientists Find Organic Matter in Sample From Distant Asteroid

Researchers studying samples from the asteroid Ryugu have found cometary organic matter, supporting the theory that life on Earth may have been seeded by ancient asteroid impacts.
The samples contained 'melt splashes' with carbonaceous materials that resemble primitive organic matter, suggesting that cometary dust mixed with Ryugu's hydrous silicates.
morenasa

Poison Gas Hints at Potential for Life on an Ocean Moon of Saturn

Hydrogen cyanide, a deadly poison, has been detected on Enceladus, a moon of Saturn.
Hydrogen cyanide could have played a key role in the origin of life on Enceladus.

Google Researchers Say They Simulated the Emergence of Life

The emergence of self-replicating digital lifeforms from random data could provide insight into the origin of biological life.
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