A new study offers an explanation for unusual chemical signatures found in some volcanic rocks.

The Orionid meteor shower peaks overnight on Oct. 21-22. Here's how to see "shooting stars" from Halley's Comet.

Neither famous number is as simple as it first sounds. The real question is how much uncertainty each one can realistically ...

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 ...

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, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth is illuminated against the blackness of space in this ...

As early as 2024, scientists from the US and China discovered that the Earth’s core had slowed down and even stopped moving in relation to the Earth’s crust. But until now, the general public—that’s ...

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the Earth you walk on today might not be the same planet that was born 4.5 billion years ago. Many scientists believe that in its infancy, Earth collided with another world the size of Mars, and that ...

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 ...