A lightning-caused wildfire burns in Alberta, Canada. All the technology that we enjoy today —- from global Wi-Fi to air travel —- stems from the fact that we first harnessed fire. And the reality ...

Oxygen levels in the Earth’s atmosphere are likely to have “fluctuated wildly” one billion years ago, creating conditions that could have accelerated the development of early animal life, according to ...

Earth's magnetic field and oxygen levels are inextricably linked, new research suggests. The strength of the geomagnetic field has gone up in lockstep with the percentage of oxygen in Earth's ...