Debris from the broken-apart Intelsat 33e telecom satellite is spreading across geosynchronous orbit, threatening spacecraft ...

The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's ...

and the galaxy hurtling through space. The dots moving across the right side of the animation show how quickly each object travels 150 kilometers. As you can see, Earth's rotation is relatively ...

A new animated map sheds light on the superhot "zombie star" at the heart of a nebula leftover from a distant supernova witnessed by astronomers in 1181. The remains of the stellar explosion are ...

One of the best things about satellites is the fact that they can give us a view of Earth that only astronauts ... of data points observed from both space (for instance, from NASA's Terra and ...

A new video shows how Earth's magnetic field weakened and warped before temporarily flipping during a recent "polar reversal event." ...

So O'Donoghue made an animation to demonstrate what's going on. It shows how Earth and the moon will move over the next three years. The distance between Earth and the moon is not to scale in the ...