Planet Nine? 'Extreme' Objects Hint at More Evidence of Possible Unseen World

Thursday, July 13, 2017 - 12:02 in Astronomy & Space

A new salvo has been fired in the back-and-forth debate about the existence of Planet Nine.

Read the whole article on Space.com

More from Space.com

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net