UCLA geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago -- 300 million years earlier than previous research suggested.
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Origin & Evolution of Life: October 2015
Inspired by previous work on chemistry's 'water problem' and 'asphalt problem,' a team of researchers has provided new insight into the conditions in which nucleosides combine with phosphate to form nucleoside phosphates, a key set of molecules found in RNA.
Five times in Earth's history mass extinction events have wiped out up to 90 percent of global life.
Calendar
- 18 Oct: NASA Planetary Science Advisory Committee Meeting - CANCELLED
- 18 Oct: Network for Ocean Worlds Seminar Series, Episode 3: Geochemistry & Habitability
- 18 Oct: NASA SMD Science Town Hall Meeting
- 20 Oct: Hearing: Accelerating Deep Space Travel with Space Nuclear Propulsion
- 21 Oct: NASA Earth Science Division Community Forum
- 26 Oct: What makes a planet habitable?
- 27 Oct: NASA Heliophysics Advisory Committee Meeting
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