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early Earth Articles | Developments Today

When haze built up in the atmosphere of Archean Earth, the young planet might have looked like this artist's interpretation - a pale orange dot. A team led by Goddard scientists thinks the haze was self-limiting, cooling the surface by about 36 degrees Fahrenheit (20 Kelvins) – not enough to cause runaway glaciation. The team’s modeling suggests that atmospheric haze might be helpful for identifying earthlike exoplanets that could be habitable.
Credit: NASA/Goddard Space Flight Center/Francis Reddy

Apollo Moon Samples May Reveal Early Earth’s Air

A researcher is using Apollo lunar samples to study gases that escaped from ancient Earth.
The method could help reconstruct atmospheric conditions during the Archean Eon.
Early results support the idea that Earth’s atmosphere was more sulfur rich 3.5 billion years ago.

DE

DT Editorial Team·Aug 3, 2026·via universetoday.com

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Scientists have found new evidence of how the ingredients for life came to Earth. Credit: NASA

Study points to Jupiter's role in delivering life's ingredients

A NASA-supported study revisits how Earth acquired life-essential elements.
The work questions whether later outer Solar System chondrites were the earliest source.
Researchers suggest Jupiter may have played a key transport role.

DE

DT Editorial Team·Jun 13, 2026·via universetoday.com

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This artist's illustration shows a pair of asteroids passing by the modern-day Earth. New research shows that impact craters on the ancient Earth could have created "oxygen oases," where hydrothermal activity supercharged the growth of cyanobacteria and their stromatolite structures. It suggests that the Late Heavy Bombardment could have played a role in the oxygenation of Earth's atmosphere, paving the way for complex life. Image Credit: ESA/P.Carril

Impact Craters May Have Helped Early Earth Build Oxygen-Rich Niches

Researchers found stromatolites in the Hapcheon impact crater in South Korea.
The study links post-impact hydrothermal lakes to local oxygen-producing microbial blooms.
Frequent impacts on early Earth may have created repeated habitable niches.

DE

DT Editorial Team·May 25, 2026·via universetoday.com

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Example of folding proteins in supportive environments. Credit - K. Seya et al.

Simplified Proteins Are Giving Researchers a New Window Into Life’s Earliest Chemistry

A new review examines proteins built from reduced amino acid alphabets.
Experiments suggest early life may not have needed the 20 amino acids used by modern biology.
Simple peptides can self-assemble into functional symmetric structures.
The work has implications for both origin-of-life research and astrobiology.

DE

DT Editorial Team·May 8, 2026·via universetoday.com

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NASA Research Shows Early Life Relied on Rare Metal

NASA-backed research says ancient life used molybdenum far earlier than expected

NASA-funded researchers found evidence of molybdenum use by life 3.3 to 3.7 billion years ago.
The metal was extremely scarce in early oceans, making the finding surprising.
The result could influence how astrobiologists assess habitability on other worlds.

DE

DT Editorial Team·May 5, 2026·via science.nasa.gov

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