Water molecules freeze in a hexagonal pattern and the molecules are further apart than they were as liquid water. Water is unusual because its molecules move further apart when it freezes. The ...

In its natural state, common uranium (U-238 ... the Manhattan Project had made 20 tons of the precious liquid, more than enough to fill the first heavy-water nuclear reactor.

Earlier this week we broke down the complexities of mixed-phase precipitation forecasting.Within that we briefly touched on a key component to that complexity w ...

In its solid state (ice), it is actually less dense than ... Jupiter's moons Callisto and Europa appear to have a liquid water ocean underneath their surface, with a similar likelihood for Saturn ...

For example, ice is water in the solid state: ice melts to form water in the liquid state when it is heated water in the liquid state becomes ice when it is cooled down This is different from the ...

Planets in the box have the right atmospheric pressure and the right temperature to keep surface water in a liquid state. In our solar system Earth and Mars are in the box, Venus and Mercury outside.

Water isn't just liquid, ice, or vapor — under extreme conditions, it can transform into exotic phases, such as the newly observed plastic ice VII. This hybrid phase, predicted years ago but only ...