Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The consequences would be catastrophic, reshaping every aspect of life on our ...

"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...