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 ...
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 ...
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 ...
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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 ...

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 ...

Mapping out the heliosphere, Earth’s protective bubble

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...
AOL

Cosmic Airbursts: The hidden impacts that shape Earth’s history

Some cosmic impacts are loud, fiery, and leave unmistakable craters. Others are quieter in geological terms, yet no less destructive. These “touchdown airbursts” occur when a comet or asteroid ...