Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Earth’s history stretches back more than four billion years beginning as a ball of fire and evolving into the planet that ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Stand on solid ground and it feels obvious that “down” points toward the center of the planet and “up” leads to the sky. Yet ...