Despite a growing influence of private organizations in the space industry, government still holds a lot of power in the direction of exploration. Space policy is a messy, complicated and mysterious affair. The Planetary Society’s…

On July 4th, 1997, NASA’s Mars Pathfinder mission touched down on Mars, ending a 15 years period where no spacecraft operated in the Red Planet. Twenty years later, the mission’s impact on our understand of…

Europe’s ExoMars program has already kicked off with the Trace Gas Orbiter, currently manoeuvring downward to its final science orbit. But ExoMars is not limited to a single mission. By 2020, ESA hopes to launch…

All the obstacles in spaceflight can theoretically be broken down in to subsets of risk. Whether personal risk, programmatic risk, financial risk or professional risk, these are the things holding back individuals and organizations from…

On Earth, geologists are pretty familiar with the concept of an esker, a snake-like ridge formation left behind by a receding glacier. Across our planet they can be found in areas where glaciers once dominated…

In a mashup episode that combines the formats of The Orbital Mechanics, a great weekly spaceflight podcast, and WeMartians, Jake, Ben and David explore a variety of Mars topics. Delve in to history as we…

Every year, upwards of 2,000 planetary scientists descend upon a suburb of Houston to discuss the latest findings, share the work, and learn something new. A lot of Mars happens at these conferences, so WeMartians…

Ahead of the science, the surface operations, the tricky landing, interplanetary cruise, & launch of a NASA flagship class rover like Mars2020, the difficult decision of where to send the mission must be made. For…

A surface mission to Mars will involve a lengthy stay in a harsh environment. Many have argued that this could be a psychologically draining experience as astronauts are forced into confined spaces with no light,…

The year 2016 was a big one for Mars, and 2017 might be even bigger yet. We’re joined by two space reporters from Orlando to talk about the highlights of last year in Mars exploration,…