Europa Erupts! Possible Geyser of Water Seen on Jupiter's Moon

Using Hubble Space Telescope, astronomers have seen evidence of a massive geyser of water erupting from the surface of Jupiter's icy moon Europa. This plume of water extends as high as 200 kilometers (125 miles) above the surface. Wow! This is pretty amazing news. We've known for a while that Europa has liquid water under its surface, but this is the first direct evidence of it. Not only that, it changes how we think the water and surface interact. It's hard to say if this makes it more likely t...