Earth's magnetic field strength and atmospheric oxygen levels have oscillated in tandem for around 540 million years, ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.

Beneath the bogs of New Zealand’s Northland is a massive Ngāwhā kauri, living from 41,000 to 42,500 years ago, which gives an isolated, unbroken record of a period when Earth’s magnetic field declined ...

In a field that has defied unification with quantum mechanics for more than a century, this change could turn the quest for quantum gravity on its head and shed light on dark matter and cosmic ...