Even the balmy tropics may have once been crushed by colossal masses of ice.

The World Health Organization notes 300 essential drugs are now in shortage. Chris Baraniuk asks what is behind the problems ...

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Kenya is emerging as a leader in renewable energy on the African continent, with an impressive 90% of its electricity ...

With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...

Is it possible to heat the planet to dangerous levels and then cool it down later? Economic models charting the world’s path ...

If oceans didn’t exist and there was only land between continents, traveling around the world would look very different! We’d ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...

A new report from the European Environment Agency, or EEA, has highlighted the wildly varying quality of the continent's water resources, and said supplies "face an unprecedented set of challenges ...

A practical calculator that predicts the risk of epilepsy after venous stroke is presented in a study from the University of ...

Sovereign debt has dire implications for many developing countries, and international efforts such as the G20 Common ...