A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Aurora does not have to be directly overhead to be visible: it can be observed from more than 600 miles away if the conditions are right.

A solar flare erupted from the sun on Friday and is zooming across space, forecast to reach Earth Saturday night ... expected across much of the north Saturday night with Seattle, Minneapolis ...

On the night of March 13-14, 2025, North America and South America will ... a total lunar eclipse is visible from anywhere on Earth's night side. Overnight on March 13-14, that will include ...