Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells the ...

Ancient kauri tree log from Ngawha, New Zealand. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for ...

Access to New Zealand's tallest surviving kauri tree, Tāne Mahuta, will be closed for the next two months while the boardwalk and viewing platform are replaced. The upgrade is the first phase of ...