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Tuesday, September 29, 2026 · UTC
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Study places viable origin of life conditions on early Earth at 4.33 billion years ago

Modelling of ancient planetary impact heating finds stable surface conditions arrived far earlier than previously understood, work published this week shows.

Theo Anand
Science and Earth
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New research finds Earth had conditions stable enough to support the chemistry required for the origin of life approximately 4.33 billion years ago.[2] The work is co-led by Planetary Science Institute senior scientist Oleg Abramov. The study, published in Nature Communications, uses a three-dimensional computer model to reconstruct heating of Earth's crust from asteroid, comet and planetesimal impacts between 4.5 and 3.5 billion years ago.[1] Two separate scientific outlets have published corroborated accounts of this finding.[3] No conflicting results for this timeline were published alongside the work.
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What this stands on
  1. The study, published in Nature Communications, uses a three-dimensional computer model to reconstruct how asteroid, comet, and planetesimal impacts heated Earth's crust between 4.5 and 3.5 billion years ago. · Astrobiology
  2. A new study co-led by Planetary Science Institute Senior Scientist Oleg Abramov suggests that conditions on early Earth became stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago. · Astrobiology
  3. Research co-led by Planetary Science Institute senior scientist Oleg Abramov found Earth may have had optimal conditions for life origin chemistry around 4.33 billion years ago. · Phys.org
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