Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

Scientists may have found a powerful new way to hunt for alien life — not by searching for specific molecules, but by looking for hidden patterns in how those molecules are organized. Researchers ...

On Earth, a cloudy morning giving way to a clear evening is unremarkable, the kind of forecast that barely warrants a glance ...

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that same hunk of ice starts blasting out enough water to fill 70 Olympic swimming ...