What is pumice and how does it end up on Texas beaches? Jace Tunnell of the Harte Research Institute weighs in.

This week, the tides were back to normal after the hurricane in the Gulf, making for better access to the beaches. Among the ...

Pumice is a type of volcanic rock formed when lava cools. It's super lightweight and porous, almost resembling a sponge. Pumice stone is used as an exfoliating skincare tool, particularly on areas ...

Did the eruption of Thera (Santorini) affect the ancient Egyptians? This article examines the evidence from archaeology and ...

A vast "raft" of volcanic rocks stretching over 150 sq km (58 sq miles) is drifting through the Pacific Ocean, scientists say. The sea of pumice - the size of 20,000 football fields - was first ...

It was previously known that the disaster started when Vesuvius "began spewing out gas, ash and rocks in an eruption column that extended 18 miles high, creating a hail of pumice stones that ...

They likely died from pyroclastic flow while trapped by falling pumice rocks. Based on their discoveries, archaeologists believe that Pompeii was a prosperous town, populated by wealthy vacationers.

If something seems light for its size (like a bag of cotton or pumice rock), then we say it has low density. Mass is the amount of matter in an object. Volume is how much space the object takes up.

She was about 20 years old; he was in his mid-40s. A violent downpour of rubbly pumice mixed with incandescent rocks capable of crushing skulls and scalding skin obscured their escape. To their ...

The cause of the unexpected effect in this case is the huge rafts of “karuishi,” or pumice, that have drifted on the sea for hundreds of kilometers and reached the southwestern islands of ...

Quartz countertops are made from a mixture of crushed rock and resin, formed in a process that uses vibration and a vacuum to ...