Duas placas tectônicas se encontram no Parque Nacional Thingvellir, na Islândia: pela primeira vez cientistas usaram informações das rochas para reconstruir o movimento das placas tectônicas da Terra. VisualProduction/Shutterstock

Veja 1,8 bilhão de anos de atividade das placas tectônicas da Terra em uma nova animação

É a primeira vez que o registro geológico da Terra - informações encontradas dentro das rochas - é usado para criar uma animação desse tipo.
The Tianshan mountains frame Sayram Lake in the Bortala Prefecture in Xinjiang, China. Gilby Jepson

How Eurasia’s Tianshan mountains set a stage that changed the world

Setting the scene for ancient Silk Road trading and now China’s Belt and Road initiative, the Tianshan has changed humanity. Geological evidence shows us how this incredible mountain range formed.
It turns out that the world is about 4,600,000,000 years old. That’s 4.6 billion years. That’s pretty old! Marcella Cheng/The Conversation

Curious Kids: How do scientists work out how old the Earth is?

The world is made of tiny building blocks called ‘elements’. Scientists have worked out how fast some elements change into other elements. That gives us a very big clue about how old the Earth is.
The continent of Australia is a mixture of land masses of differing ages. Alan Collins

What’s Australia made of? Geologically, it depends on the state you’re in

The world’s oldest known material is from Western Australia. But for much of Australia’s geological past, the eastern states simply didn’t exist. They’re relative newcomers to our ancient continent.

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