Arizona rock core sheds light on triassic dark ages

A rock core from Petrified Forest National Park, Arizona, has given scientists a powerful new tool to understand how catastrophic events shaped Earth's ecosystems before the rise of the dinosaurs.

The four horsemen of the COVID-19 pandemic

It is clear that we must prioritize identifying and alleviating the conditions that made the Covid-19 pandemic possible. Even as it rages, scientists are already asking if it is more than just a virus, but rather a symptom ...

Pandemic bonds: The financial cure we need for COVID-19?

Countries around the world are taking unprecedented action to stem financial collapse due to COVID-19. Governments are acting as insurers of last resort, providing liquidity to both individuals and corporations in dire straits.

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