Mars shuttle concept by Nenad Gojkovic

Picture of the Day 18/10/2016 - Mars surface to/from Low Mars orbit shuttle by Serbian concept artist Nenad Gojkovic. More of his concept art here.

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Domed atrium at Mars base by Bryan Versteeg

One of the most talented modern space artists Bryan Versteeg has created a few concept images of a domed atrium at Mars base for Mars One project. More of his space art here.

SpaceX Mars Vehicle in comparison with International Space Station

Picture of the Day 11/10/2016 - simple as that: SpaceX Mars Vehicle in comparison with International Space Station (ISS); obtained from Reddit.

Cleaning Mars greenhouse after the sandstorm by Raymond Cassel

Picture of the Day 8/10/2016 - Cleaning Mars greenhouse after the sandstorm by American illustrator and artist Raymond Cassel.
More of his art here.

Mars base by Mondolithic Studios

Picture of the Day 6/10/2016 - a Martian base by Mondolithic Studios (Chris Wren & Kenn Brown) for National Geographic magazine. Note the old Curiosity rover stuck in the sand :)

Early SpaceX base on Mars by Sam Chivers

British illustrator Sam Chivers has created some illustrations of an early SpaceX base on Mars, before Interplanetary Transport System (ITS) becomes operational. These illustrations were made for an article in The Economist about Elon Musk's Martian plans.

SpaceX spaceship at Mars base by Bryan Versteeg

Picture of the Day 29/9/16. It was inevitable Elon Musk's presentation of SpaceX Interplanetary Transport System will inspire a lot of fan art based around the design of the Mars Vehicle (could we call the "ship" part of Interplanetary Transport System by the old name - Mars Colonial Transporter?). One of the first is made by talented modern space artist Bryan Versteeg - a Mars base built around a landed SpaceX Mars Colonial Transporter.

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Official schematics for Interplanetary Transport System by SpaceX

Today SpaceX CEO Elon Musk finally detailed his plan of building an Interplanetary Transport System (formerly known as "Mars Colonial Transporter") for colonization of Mars and beyond. Here are some schematics and images from his presentation.
His full presentation you can watch here and download as PDF here.

Launch of Interplanetary Transport System by SpaceX

Picture of the Day 27/9/16 - Launch of Interplanetary Transport System (formerly known as "Mars Colonial Transporter") spaceship. Official design by SpaceX.

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Full video preview here:

Mars Colonial Transporter next to ISS by Nathan Koga

Picture of the Day 25/9/16 - Render image of SpaceX's Mars Colonial Transporter (as part of Interplanetary Transport System) concept next to the International Space Station by L2 (NASASpaceFlight.com) member Nathan Koga. Note a Dragon 2 is also docked at ISS.