Trekking on obsidian flows, created by the rapid cooling of lava, presents a surreal experience of navigating landscapes ...

NASA says it has discovered a lake of lava on Io's surface. The lake was discovered using data from Juno's most recent flyby ...

a mountain and a glass-smooth lake of cooling lava. Juno's principal investigator, Scott Bolton, announced the latest findings and the highly detailed animation made from the probe's latest data.