Earth's inner core, composed primarily of iron with a small percentage of light elements, may enter a superionic state at ...

Seismic waves produced by thunderstorms, called thunderquakes, can be used as a novel source for seismic imaging, according ...

“This isn’t what we expected at all,” researchers said of a Mega-Earth that defies planet formation theories.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. After a few years of speeding up, our planet now appears to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Deep inside Earth ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth reaches its farthest point from the sun, aphelion, on ...

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...

A satellite launched to rescue NASA’s falling Swift Observatory won’t be able to complete its mission after all.

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Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...