Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

The Earth and Moon system we see today was formed when Theia, an ancient planet about the size of Mars ... nodal precession about the Earth-Moon eccentricity vector and Kozai-Lidov oscillations ...

Satellite imagery provides a unique perspective on our planet and can encompass a wide ... Every week, we take a bird's eye view of Earth, and see how it affects the people living on it.

By Robin George Andrews Astronomers on Tuesday said that the asteroid designated 2024 YR4 had become the most likely sizable space rock ever forecast to impact planet Earth. The object ...