A new animation reveals an enormous lava lake on the surface of ... so powerful that they can be seen with telescopes on Earth. The new images show Loki Patera, a 127-mile-long (200 km) lava ...

Nasa has released a new animation of a giant lava lake discovered on Io's surface. Io has long been known to be volcanically active, but new research suggests that Jupiter's moon has been spewing ...