Tag Archives: Origin of life

Meteorites may have sparked life on Earth

By Stephen Ornes / December 17, 2008

A collision of extraterrestrial objects and Earth’s ancient oceans could have produced raw materials for life

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Salty, old and, perhaps, a sign of early life

By Jennifer Cutraro / April 10, 2008

Exploring salt deposits, researchers unearthed the planet’s oldest-known, complete molecules thought to have been made by living things.

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Earth’s Early Oxygen Boost

By Sorcha McDonagh / February 9, 2004

The steady buildup of oxygen in Earth’s atmosphere may have helped life forms become more complex.

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