Since silicic magmas are colder and goopier than mafic magmas, dissolved gases have a harder time venting out of them. This makes silicic magmas more dangerous: As more gas builds up in the magma, it ...

From hiking up a smouldering active volcano to kayaking through tangled mangroves, this small Central American country is ...

Corrections & Clarifications: This story was updated to clarify Trey Byus is the chief expedition efficer for Lindblad. As I stood in an empty parking lot right on the outskirts of Reykjavik on a ...