On another worrying note, scientists found the planet is close to breaching a seventh planetary boundary: ocean acidification ...

Research suggests that an ancient shoreline helped to sculpt the drop between Mars' southern and northern hemispheres.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

The good news? Solutions exist to meet the demands of urban lifestyles while staying within our planet’s ecological boundaries. WWF's vision: help foster One Planet Cities across the globe – cities ...

To the Ends of the Earth: The Natural World - Pushing Boundaries is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire ...

Legal experts said the president was testing the boundaries of executive power with aggressive orders designed to stop the ...

On February 9, the Swiss will vote on the "environmental responsibility" initiative. The text requires the economy to respect ...

A prime example is Mars' dichotomy, or the boundary between its southern and northern hemispheres. While Mars' southern hemisphere is fairly high-elevation, the planet's northern hemisphere sits ...