Geology

Geology

Geology is the key to our ancient history. Entombed in the rocks beneath out feet is a record of the Earth as it was in every epoch, from the Cambrian, through the Triassic, Jurassic and Cretaceous, through to the Anthropocene today. As well as the rocks themselves, the geological record contains details of the ancient climate, volcanic activity and magnetic field. Fossils contained in the rock can reveal details of ancient, long-extinct species.
A cut away showing the internal structure of Earth. There is a bright core, surrounded by cooler layers of mantle and a dark crust

Somehow, Earth's ancient core froze solid. Now we finally know why

When it comes to understanding how the planet's core cooled, carbon is the key
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Sunset at the Stonehenge, United Kingdom.

An ancient tooth is reshaping what we know about Stonehenge

A single prehistoric cow tooth has revealed that Stonehenge’s builders may have brought more than just giant stones from Wales
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A seismograph during an earthquake with epicentres in red all over the image.

A new mega-earthquake hotspot could be forming beneath the Atlantic

Mysterious earthquakes in the region have long gone unexplained
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Silhouette of person standing by a lake of lava

Mysterious 'surge' under Earth crust could reshape world map, study claims

The pulsing will eventually rip Africa apart and create a new ocean
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A big grey crater in the ground.

What’s behind Siberia’s mysterious exploding craters?

Climate change might make these bizarre explosions more common
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Earth split in two revealing hot orange core.

A vast hidden energy source is lurking beneath the US

It could meet 10 per cent of the country’s energy demand
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Magma.

This massive 'zombie' volcano might not be so dead after all

This sleeping giant has plenty going on beneath the surface. Should we be worried?
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The Three Gorges Dam megastructure in China

Mega-buildings are now slowing Earth’s spin. Here’s what that means for the planet

A huge dam in China is changing how long a day is.
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Pompeii Temple with bronze Apollo statue and erupting Mount Vesuvius.

Pompeii disaster survivors were killed by second mysterious force, study finds

People fleeing the deadly volcano were doomed from the start.
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rock cover image

Best rock tumblers to buy in 2025 - rock polishers for beginners and professionals

Polish up on your geology with our picks of the best tumbling tech on the market right now.
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Crystal growing kits

The 7 best crystal making kits for learning about science in 2024

Teach your kids about chemistry with these fun crystal making kits.
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Antarctica's cracking sea ice at sunset, as tectonic forces move below

A mysterious force under Antarctica is changing how its ice melts

Scientists hope new, autonomous drones will reveal the geological secrets that have lain hidden beneath Antarctica's ice for millions of years.
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A woman holding a rare pink diamond as scientists discover how to find hidden mines

Scientists unlock the secret to finding hidden rare pink diamond mines

A new discovery triggers a hunt for the Earth’s secret diamond-filled stretchmarks.
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Illustration of someone wearing a radiation suit with the face area reflecting an image of a house.

How radioactive is my house? (Do I need to worry?)

Homeware, foods and even where you live can expose you to different amounts of radiation.
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Closeup of Trovants or the living stones of Bozioru, in mystical Buzau County, Romania

What are trovants?

The staggering science behind trovants, the rocks that can grow, move – and reproduce.
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Mars in space

Interesting facts, figures and fun questions about the Red Planet

Join us on a journey to the fourth planet from the Sun with amazing facts, incredible images and vital information about Mars.
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The Earth's core is funkier than we thought © Getty

The Earth's core is funkier than we thought

The motion of the inner Earth is in a constant state of flow.
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A Year on Mars: What has Perseverance achieved?

It’s been a mission of firsts, and it’s still going strong.
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