Science ❯ Biology

Origins of Life

Prebiotic Chemistry Biomolecules Astrobiology Molecular Biology Aerobic Life Amino Acids Microbial Life Biochemical Processes Abiogenesis Extraterrestrial Life Organic Chemistry Synthetic Biology Geochemistry Microbiology Chemical Building Blocks Chemical Evolution Panspermia Hypothesis Building Blocks Evolution Protocells Humanoid Life RNA World Hypothesis Bubble Theory Early Earth Conditions Nucleic Acids Emergence of Life RNA Atmospheric Chemistry Ancient Life Ancestral Proteins Biochemical Compounds Building Blocks of Life Metabolism Prokaryotes Organic Matter

Study Proposes Two Independent Origins of Free‑Living Cells

Analysis combining a new reaction‑ordering algorithm, comparative genomics and laboratory chemistry finds LUCA relied partly on metal catalysis while bacteria and archaea later evolved distinct enzyme systems.

Scientists Detect Erythrulose Sugar in Cloud Near Milky Way Centre

Astronomers Detect First True Sugar in Interstellar Space

Eileen Gu Debuts Bubble-Blowing Iris van Herpen Dress at the Met Gala

PNAS Study Finds Ancestry Strongly Limits Protein Evolution

Hayabusa2’s Ryugu Samples Confirm All Five DNA/RNA Bases, Pointing to Space-Born Formation Clues

Bennu Samples Yield Ribose, Glucose and a Novel Polymer in Peer-Reviewed Analyses

Bennu Samples Reveal Bio-Essential Sugars, 'Space Gum' and Supernova Dust in New Studies

Early Earth’s Atmosphere May Have Forged Sulfur Biomolecules Needed for Life

UCL Team Shows Simple Chemistry Can Link Amino Acids to RNA and Build Peptides

UCL Chemists Show Thioesters Let RNA Attach Amino Acids and Form Peptides in Water