Silica is a key component of sand but also of lava. The less there is, the more fluid the lava, and the faster it flows. Nyiragongo has some of the lowest-silica-content-lava on the planet, but ...

Sometimes fresh interplanetary discoveries can be made right next door. China’s Chang’e 3 rover has found evidence of a new type of basaltic rock in one of the dark basins on the moon. The findings, ...

You pronounce her name Vahl-bohn-uh Mehmeh-tee, not Val-bone Mem-meeti. It’s from Italian, by way of Albania. “I’ve been `Vali’ since kindergarten, so you can call me that,” Valbone “Vali” Memeti says ...

Deep within Earth’s mantle, scientists have uncovered surprising evidence that traces of the planet’s early form,proto-Earth, ...

The explosive power and content of a volcanic eruption are determined by two key factors: the viscosity of the magma and its ...

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. The arrows indicate the direction of heat transport ...

Update 6/15/18 at 4:30 p.m. EST: Per the USGS: University of Hawaii at Hilo scientists, who are conducting chemical analysis of the lava, said the olivine they're seeing in eruptive products does not ...

Astronomers have uncovered a hellscape planet that rains rocks, has deep lava oceans, and clocks winds of more than 3,000 mph. The planet dubbed K2-141b exists more than 200 light-years away and is ...

Formed some 200 million years ago from volcanic lava rich in ferric oxide, as per historians, their density creates enchanting sounds echoing ancient mysteries.