Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

To understand the "blood moon", we must first discuss the total lunar eclipse.

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

The conventional explanation for the moon's formation is that an enormous rock smashed into the nascent Earth and created it as a result. A new theory challenges the particulars of how events may have ...

New study provides clearer insight into how the Moon formed and why its materials closely resemble those of Earth.

What can ancient moon rocks tell us about the origins of Earth, the future of space travel, and even the water we drink? At Case Western Reserve University, professor and geochemist Jim Van Orman is ...

Though decades have passed since the Space Race took place, Earth’s moon remains the only place beyond our planet where humans have set foot. As the brightest and largest object in our night sky, the ...