The phenomenon, which involves the geographic poles, is distinct from when the magnetic poles move. The planet's solid crust ...

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

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

Featuring Geo Rutherford This week’s episode features special guest Geo Rutherford, who you almost certainly know (at least ...

Japan has told Washington it is “months” from running out of yttrium, a rare earth used in jet engines and chipmaking ...

When Earth formed billions of years ago, its metallic core was wrapped in a global ocean of molten rock, which eventually ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

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

Why is there life on Earth? It's one of the oldest questions humans have asked, and as far as we know, our planet is the only ...