Scientists previously "missed it because they hadn’t expected to find anything like it.”
Don't take our word for it – see for yourself.
Spoiler: Space isn't empty and time's not in a straight line.
This really is seeing the red planet in a truly different light.
It all stems from giant yet mysterious structures under Africa and the Pacific.
The Statue of Liberty, the Ely Cathedral and Stonehenge all got to see the deep orange moon.
Elon Musk's rocket went down, but his social media platform lit up.
About Space
About Space Space news stories, features, pictures and video from the Huffington Post UK. Whether it's Nasa, ESA or something a bit more strange, we've got you covered up to, and beyond, the Final Frontier.