The Juno mission has discovered remarkably strong activity on Jupiter's moon, Io. The hot spot emits eruptions with energy six times greater than the total power of all power plants in the world, NASA's Juno mission scientists caution.

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, the Jovian moon Io.

NASA’s Juno mission has captured the most powerful volcanic eruption ever recorded on Io, Jupiter’s highly active moon. Even by Io’s extreme standards—where more than 400 volcanoes constantly reshape its surface—the latest event stands out as an unparalleled display of cosmic firepower.