Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black rock. Lava flows come in a great ...

But ultimately, the team determined the most likely explanation was that Magellan had detected solidified lava from ... is best explained by there being lava flows,” Byrne tells Science News.

The surface of a river of lava cools and solidifies, while hot molten rock continues to flow beneath it. Eventually, lava drains out of the tube, leaving behind a tunnel. Read more World's first ...

YAMANAKAKO, Yamanashi Prefecture--Solidified lava from eruptions of ... “If the Takamarubi lava flow was generated between 580 and 700, that means the political system of Kai had not yet been ...