In this video, we take you on a journey to the Pleistocene Epoch, a time when Earth looked vastly different from today.

Humans are living in a geologic era with the most diverse life-forms — the Phanerozoic Eon. Beginning about 540 million years, the eon started with an explosion of the modern life we see today.

In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

We’re living in a weird time on Earth: a period when our planet has ice. Amid persistent and frequent record heat, it may be surprising to hear that Earth is currently relatively cool — at ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Ancient sediment reveals humans began systematically using fire 50,000 years ago, reshaping global climate patterns.

There have been geological periods where Earth’s CO 2 has been as high or higher than it is today, but never before in the planet’s multibillion-year history has so much buried carbon been ...

KUNMING, June 3 (Xinhua) -- For centuries, the question of whether life exists beyond Earth has intrigued humanity, and now a joint discovery by Chinese and German scientists may offer a ...

Without humans, could Earth reclaim that diversity? Even if we did suddenly disappear from the picture, it would still take millions of years for the planet to recover from those past extinctions ...

And, perhaps by considering Earth after us, we can get a realistic understanding of all the ways we’ve shaped and changed the planet, says Alan Weisman, an environmental journalist and author of ...