[ACS Central Science] Complex organic molecules in interstellar ices and carbonaceous asteroids record key steps in the chemical evolution toward life, yet the origin of branched carbonyl compounds a fundamental […]
prebiotic chemistry
![Experimental schematic for sequential extraction of soluble organic material from meteorites for analysis by FT-ICR MS and HR-AFM. -- [Planetary Science Journal]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/09/Direct-Molecular.png?resize=1200%2C719&ssl=1)
Posted inAstrochemistry
Direct Molecular-scale Insight Into Soluble Organic Matter From The Murchison and Aguas Zarcas Meteorites
[Planetary Science Journal] Organic material in the Murchison and Aguas Zarcas meteorites preserves molecular records of early solar system chemistry and potential precursors to life.
Posted inBiochemistry & Organic Chemistry
Uncatalyzed Guanosine Phosphorylation under Potentially Prebiotic Conditions
[Chem EurJ] The phosphorylation of nucleosides and their subsequent polymerization are key issues in the study of the Origins of Life. How these chemical processes took place on primitive Earth […]
Posted inOrigin & Evolution of Life
New Study Pinpoints When Early Earth May Have Become Ready for Life’s Chemistry
[PSI] Conditions on the early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new research […]
Posted inOrigin & Evolution of Life
Prebiotic Peptide Formation Triggered By Urea-rich Warm Little Ponds On Early Earth
[Bioorganic Chemistry]. In the study of the origin of life, the polymerization of amino acids into peptides in water faces significant thermodynamic barriers, often referred to as the “water problem.”
Posted inOrigin & Evolution of Life
Auroral Belts As Magnetically Localized Reactors For Prebiotic Chemistry On Early Earth
[Biosystems] Most models of prebiotic chemistry emphasize globally distributed or widely acting energy sources, including ultraviolet radiation, lightning, impacts, and energetic particles.
Posted inOrigin & Evolution of Life
The Emergence Of Life In The Light Of Evolution
[q-bio.PE] The origin of life is often framed primarily as a chemical problem, yet life s defining feature is evolution.
Posted inOrigin & Evolution of Life
ReactionAtlas: Ab Origine Exploration Of Chemical Reaction Networks With Machine Learning
[cs.LG] Mapping a chemical reaction network, the graph of minima and transition states (TS) and the elementary reactions connecting them, is the natural language of chemistry, from catalysis to combustion […]
Posted inOrigin & Evolution of Life
Prebiotic Cationic Amino Acids Support Formation Of An Ancient Protein Fold
[biorxiv.org] The evolutionary basis for the selection of the standard proteinogenic amino acids remains elusive, particularly for the long cationic amino acids, lysine and arginine, which were likely scarce in […]
Posted inBiosignatures & Paleobiology
Determining The “Biosignature Threshold” For Life Detection On Biotic, Abiotic, or Prebiotic Worlds.
[Astrobiology (Journal) via PubMed] The field of prebiotic chemistry has demonstrated that complex organic chemical systems that exhibit various life-like properties can be produced abiotically in the laboratory.