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Tree Rings

Surprising Suspect In Ancient Tree Ring Mystery

| Posted 03.15.2013 | Science

By Sean Treacy A mysterious burst of charged particles from space hit Earth at some point from 774 to 775 C.E. Scientists know this thanks to a spik...

Tree Ring Mystery Gets Surprising Cosmic Explanation

Posted 01.22.2013 | Science

By: Clara Moskowitz Published: 01/21/2013 03:55 PM EST on SPACE.com More than 1,200 years ago, some mysterious event was recorded in tree rings...

Ancient Tree Mystery Had Cosmic Cause, Researchers Say

Posted 11.28.2012 | Science

By: Clara Moskowitz Published: 11/28/2012 01:14 PM EST on SPACE.com Something big happened in the year A.D. 774. Scientists studying tree rings fo...

Tree Rings Suggest Long-Ago Cosmic Bombardment

Posted 06.04.2012 | Science

In 775 C.E., while Charlemagne was ruling his Frankish kingdom, something mysterious struck Earth. An analysis of the rings of two Japanese cedar ...

New Zealnd's Kauri Trees Hold Ancient Climate Record That Could Be Lost Within 10 Years

Treehugger | David DeFranza | Posted 05.25.2011 | Green

Buried in New Zealand's peat bogs are more than 30,000 ancient climate records containing data that spans back to the last ice age. This data, stored ...

Cosmic Pattern to UK Tree Growth

BBC | Matt Walker | Posted 05.25.2011 | Green

The growth of British trees appears to follow a cosmic pattern, with trees growing faster when high levels of cosmic radiation arrive from space....