Getting to Mars

NASA and
International Partners

Reaching Mars isn’t a solo mission…It’s a global effort powered by cross-agency alliances and public-private partnerships. NASA, while leading many initiatives, increasingly relies on international and commercial collaboration to reduce costs, share expertise, and accelerate progress.

From the Moon to Mars

NASA’s Artemis program serves as a testbed for Mars missions, with key contributions from European Space Agency (ESA), Japan Aerospace Exploration Agency (JAXA), and the Canadian Space Agency (CSA). These partners provide essential technologies like life support, robotics, and power systems. The Lunar Gateway, a planned Moon-orbiting station, will simulate many of the operations needed for Mars transit and habitation.

Public-Private Synergy

NASA is working closely with SpaceX (which is developing Starship for both lunar and Martian use), as well as Blue Origin, and others, to create a reusable, scalable interplanetary system. Programs like Commercial Lunar Payload Services (CLPS) offer fast-track, lower-cost ways to test payloads and systems that will also be used for Mars missions.

Science and Sovereignty

Agencies like ESA and JAXA contribute key scientific missions. ESA’s ExoMars rover, though delayed, will join NASA’s Mars fleet in search of life. JAXA’s MMX mission to Mars’ moons will explore Phobos and Deimos for clues about Martian history and possible water sources.

The UAE’s Hope Probe, developed with U.S. universities, showcases how emerging space nations are adding valuable atmospheric data to the global effort.

Common Goals

Many of these efforts operate under the Artemis Accords, which outline peaceful, cooperative exploration and the responsible use of off-world resources. These principles help align Mars exploration with transparent governance and shared values.

Economic Models and Funding

Financing Mars missions is a monumental task. SpaceX leverages revenue from its Starlink satellite internet service to fund Starship development. Additionally, NASA has awarded contracts to SpaceX, including a $2.9 billion deal to develop a lunar lander variant of Starship.

Other companies and agencies rely on public-private partnerships, government funding, and international collaborations to pool resources and share the financial burden of Mars exploration.

To diversify their funding base, many space organizations are also exploring technology spinoffs and dual-use applications and developing tools for Mars that have immediate commercial potential on Earth. For example, autonomous robotics, environmental control systems, and additive manufacturing (3D Printing) technologies created for space are being licensed or repurposed for mining, disaster relief, and remote medical operations. These terrestrial markets provide early revenue streams that can subsidize deep space ambitions while proving the broader value of investment in space innovation.

Unlocking the Red Planet:
Innovations and Technical Hurdles

Advancements in propulsion, life support, and habitat construction are essential to unlocking Mars as a viable destination. Unlike missions to low Earth orbit or the Moon, Mars missions involve months of travel through deep space, demanding high-efficiency propulsion systems and durable spacecraft. Nuclear thermal propulsion (NTP) is one emerging technology that could significantly reduce travel time, thereby lowering radiation exposure and psychological strain on crews. NASA and DARPA’s joint DRACO project is leading development in this area, aiming for a demonstration flight before the end of the decade.

Once on the surface, habitat construction presents a critical challenge. Transporting large-scale building materials from Earth is cost-prohibitive, which is why companies like ICON, in collaboration with NASA, are developing additive manufacturing techniques to 3D print shelters from Martian regolith. These structures can be reinforced with polymers or sintered in place using solar energy, offering radiation shielding and thermal protection in one. Several terrestrial analog tests are underway to validate these systems before deployment.

Radiation remains one of the most significant threats to long-duration Mars missions. The thin Martian atmosphere provides little shielding from cosmic rays and solar particle events. Solutions range from regolith-based insulation and water walls to advanced hydrogenated materials and underground shelters. In addition, companies and agencies are studying smart textiles and wearable sensors that could monitor cumulative radiation exposure in real time, helping astronauts make safer decisions in dynamic environments.

Finally, supporting the human body and mind during a multi-year mission requires closed-loop life support systems, sustainable food sources, and psychological health management. NASA’s CHAPEA analog and ESA’s MELiSSA simulation program are leading efforts to develop ecosystems that recycle air, water, and nutrients using bioreactors and hydroponics. Meanwhile, virtual reality (VR) tools and Earth-connection protocols are being tested to combat isolation and sensory monotony that are issues identified in previous long-duration missions like Mars500 and aboard the International Space Station.

Conclusion:
A Collective Leap for Humankind

Reaching Mars is a multifaceted endeavor requiring technological innovation, international cooperation, and substantial investment. While challenges abound, the collective efforts of governments, private companies, and emerging space nations are bringing us ever closer to our next giant leap. Mars is no longer just a distant dream. It is an opportunity to reimagine our future as a multiplanetary species.