High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.

Scientists have discovered two enigmatic icy objects in deep space that defy explanation. Unlike typical interstellar ice ...

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...

One of the holy grails of modern astronomy is finding life on an alien planet. But that is an extremely ... with all of its water locked up in polar ice caps and under the surface.