Pluto is a lot more than a dead chunk of ice at the far reaches of the solar system. NASA’s New Horizons probe passed Pluto last July, and as you’ll see in the video above, the new information it’s relaying to Earth offers a complex portrait of the dwarf planet—which turns out to be surprisingly active. We already had clues that Pluto may have weather systems. But watch the video to see the new evidence that’s been captivating scientists as we learn about the alien world.