Every few years, NASA announces its next wave of solar system exploration. This year, the four finalists for the space agency's Discovery Missions were announced and they all shared one conspicuous feature: volcanoes.
Every few years, NASA announces its next wave of solar system exploration. This year, the four finalists for the space agency's Discovery Missions were announced and they all shared one conspicuous feature: volcanoes.
Sign up for our weekly newsletter and unlock one more article for free.
View our Privacy Policy
Want more?
Keep reading for as low as $1.99!
Already a subscriber?
Find my Subscription
Save up to 40% off the cover price when you subscribe to Discover magazine.