While this may not be surprising (it is liquid rock), I think that many people think of lava as more of a hot-watery-like substance. You would never fall into a lava lake the way you would a ...

The lake goes through cycles and will cool, form a black layer on top, and then suddenly convect back into liquid lava. Occasionally, due to pressure, "fountains" of lava will form, spewing lava ...

The report also notes that the dome had a mottled surface, caused by solidified crust getting mixed with liquid lava. As part of the dome slid away, experts could see a lava core inside ...