The Shape of Earth's Core Could Be Explained by One Mystery Ingredient

We know the temperature of Earth's inner core is very roughly about 5,000 Kelvin (K) (4,727°C). It was once liquid, but has ...

Beneath 300 kilometers: Scientists find first natural evidence of nickel-rich alloys deep in mantle

Earth's mantle is a restless, enigmatic engine that powers volcanism, recycles crust, and regulates the long-term evolution ...
Tech Explorist

The Milky Way’s shape may have helped sculpt Earth’s crust

At the heart of this discovery are zircon crystals, tiny geological time capsules that preserve chemical changes across ...
Practical Engineering on MSN

What GPS, Satellites, and Lasers Show About Earth’s Shape

Flat-Earth claims keep popping up, but the real answer lives in geodesy - the science of measuring Earth. In this video I walk through the data and methods that prove Earth is an oblate spheroid: from ...
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Earth Has a Hidden “Dent” Under the Sea—And It’s Unlike Anything Else on the Planet

For over seventy years, a mysterious gravitational depression beneath the Indian Ocean has baffled scientists. Known as the Indian Ocean Geoid Low (IOGL), it marks the deepest point in Earth’s gravity ...