NEW ZEALAND - Scientists have long speculated that Earth's magnetic field collapsed and flipped poles many eons ago, exposing our planet to cosmic rays and other galactic hazards. It's believed this ...

The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW ...

An ancient, well-preserved tree that was alive the last time the Earth's magnetic poles flipped has helped scientists pin down more precise timing of that event, which occurred about 42,000 years ago.

About 42,000 years ago, Earth was beset with oddness. Its magnetic field collapsed. Ice sheets surged across North America, Australasia and the Andes. Wind belts shifted across the Pacific and ...

WELLINGTON, New Zealand -- In an ancient grove in northern New Zealand, the mighty conifer known as Tane Mahuta, lord of the forest, is threatened by the encroachment of a deadly enemy. It is the ...

Nearly 42,000 years ago, when Earth's magnetic fields reversed, this triggered major environmental changes, extinction events, and long-term changes in human behavior, a new study reports. The ...

Tāne Mahuta, an ancient tree named after the god of forests in Māori mythology, is threatened by the slow creep of an incurable disease. Tourists visiting Tāne Mahuta, the largest known kauri tree, in ...

A fungus from a group that ravages trees around the world is now infesting New Zealand's ancient, symbolic kauris. Waipoua Forest Trust One of the world's oldest and largest living trees stands just a ...

The following is an extract from our nature newsletter Wild Wild Life. Sign up to receive it for free in your inbox every month. I want to introduce you to two ancient organisms on different sides of ...