Earth Isn't the Only Ocean World in the Solar System

Watery worlds like Ceres — a dwarf planet in the asteroid belt — hint that our solar system is wetter than we thought. And where there's water, there might be life.

By Eric Betz
Dec 11, 2020 3:00 PM
water world ceres - nasa
The icy dwarf planet Ceres appears to hold a subsurface sea. This discovery fuels the hunt for life beyond Earth. (Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)

Newsletter

Sign up for our email newsletter for the latest science news
 

This article appeared in Discover’s annual state of science issue as “New Oceans in the Cosmos.” Support our science journalism by becoming a subscriber.

0 free articles left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

Stay Curious

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!


Log In or Register

Already a subscriber?
Find my Subscription

More From Discover
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2025 LabX Media Group