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OCCUPY
MARS

We are the generation that will make humanity a multi-planetary species. Track every mission, join the community, and count down to our future on the Red Planet.

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Countdown to Boots on Mars

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Based on official NASA and international space agency projections

Mission Tracker

Every organization working to put humans on Mars

NASA (United States)

Artemis β†’ Mars

NASA's Moon to Mars program uses Artemis lunar missions as a stepping stone. The Space Launch System (SLS) and Orion spacecraft validate deep-space capabilities. Human Mars missions are targeted for the 2030s under the Earth Independent phase of their Journey to Mars plan.

Active Development

SpaceX (United States)

Starship Mars Program

The fully reusable Starship super heavy-lift vehicle is designed to carry 100+ tonnes to Mars. Plans include uncrewed cargo flights followed by crewed missions during optimal 26-month launch windows. Goal: establish a self-sustaining colony through mass-produced spacecraft.

Active Development

CNSA (China)

Tianwen Crewed Program

Following the successful Tianwen-1 orbiter and Zhurong rover landing in 2021, China's space agency has announced plans for crewed Mars missions targeting approximately 2033, with nuclear-powered spacecraft concepts under development.

Planned 2033

ESA (Europe)

ExoMars & Aurora Programme

The European Space Agency's long-term Aurora programme includes eventual human exploration of Mars. The ExoMars program builds expertise in Mars landing and surface operations. Human missions are under study for the 2040s timeframe.

Concept Phase

ISRO (India)

Mars Orbiter Mission Follow-up

After the historic Mangalyaan mission in 2014 β€” India's first interplanetary mission and the first successful Mars orbit insertion on a maiden attempt β€” ISRO is developing follow-up missions building toward eventual crewed deep-space capabilities.

Concept Phase

UAE Space Agency

Mars 2117 Project

The UAE's ambitious 100-year plan aims to build the first human settlement on Mars by 2117. The Emirates Mars Mission Hope orbiter (2021) studies the Martian atmosphere and climate as an early scientific foundation.

Long-term Vision

History

History of Mars Exploration

Six decades of robotic pioneers paving the way for humans

  • 1965
    Mariner 4

    First successful flyby of Mars. Returned 22 close-up photographs revealing a cratered surface. (NASA)

  • 1971
    Mars 3 & Mariner 9

    First soft landing on Mars (Soviet Union). Mariner 9 became the first spacecraft to orbit Mars the same year. (NASA/USSR)

  • 1976
    Viking 1 & 2

    First successful long-duration landers on Mars. Conducted biology experiments searching for signs of life. Operated for years on the surface. (NASA)

  • 1997
    Mars Pathfinder & Sojourner

    First rover to operate on Mars. Demonstrated low-cost landing technology. Sojourner explored for 83 Martian sols. (NASA)

  • 2004
    Spirit & Opportunity

    Twin NASA rovers designed for 90-sol missions. Spirit operated until 2010. Opportunity far exceeded expectations, operating for nearly 15 years and traveling over 45 km across the Martian surface. Both found definitive mineralogical evidence that liquid water once existed on Mars.

  • 2008
    Phoenix Lander

    NASA lander touched down near Mars' north pole. Confirmed the presence of subsurface water ice by directly observing ice sublimating in a trench. Also detected perchlorate salts in Martian soil β€” a key finding for future agriculture and habitability research.

  • 2012
    Curiosity Rover

    NASA's car-sized rover delivered to Gale Crater via an innovative sky crane landing system. Still operating in 2026. Discovered ancient habitable lake environments, organic molecules, and seasonal methane fluctuations β€” raising new questions about potential biological activity.

  • 2014
    Mangalyaan & MAVEN

    India's ISRO became the first space agency to reach Mars orbit on its maiden attempt and at a record-low budget of approximately $74 million. The mission studied Martian surface features and atmosphere. The same year, NASA's MAVEN orbiter arrived to study Mars' upper atmosphere and how it lost its water.

  • 2018
    InSight Lander

    NASA's geophysics mission landed on Elysium Planitia. Deployed a seismometer that detected hundreds of 'marsquakes,' revealing Mars has a liquid iron core and providing the first detailed look at Mars' internal structure. Operated until December 2022.

  • 2021
    Perseverance, Ingenuity, Tianwen-1 & Hope

    A historic year as three nations reached Mars simultaneously. NASA's Perseverance rover began collecting rock samples for future Earth return and carried MOXIE, which demonstrated extracting oxygen from COβ‚‚. The Ingenuity helicopter achieved the first powered flight on another planet (72 flights total). China's Tianwen-1 delivered the Zhurong rover β€” China's first Mars surface mission. The UAE's Hope orbiter entered Mars orbit to study climate and weather patterns.

  • 2024–2026
    Current Era

    SpaceX continues Starship development with multiple test flights, refining the vehicle designed for Mars cargo and crew delivery. NASA advances Moon-to-Mars architecture through Artemis missions. China confirms crewed Mars mission plans for approximately 2033. International collaboration on Mars Sample Return mission planning continues.

  • 2030s
    The Human Era Begins

    Multiple nations and private organizations are converging on this decade for first human footsteps on Mars. NASA targets human Mars missions under its Earth Independent phase. SpaceX plans fleet-scale Starship launches during 26-month transfer windows. China's CNSA targets crewed landing around 2033. The generation that will make humanity multi-planetary is alive today.

Science

The Science of Living on Mars

The challenges we must solve to call Mars home

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Radiation Shielding

Mars lacks a global magnetic field and has an atmosphere only about 1% as dense as Earth's. Settlers will need protection from galactic cosmic rays and solar particle events β€” potentially through regolith-covered habitats, water-wall shielding, or electromagnetic deflection systems.

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Habitat Construction

In-Situ Resource Utilization (ISRU) enables building with local materials. Martian regolith can be sintered, compressed into bricks, or used as feedstock for 3D printing. Inflatable pressurized modules, underground lava tubes, and ice-dome concepts are all under active research.

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Atmosphere & Oxygen

The Martian atmosphere is approximately 95% carbon dioxide. NASA's MOXIE instrument aboard the Perseverance rover successfully demonstrated extracting oxygen from atmospheric COβ‚‚. Scaling this technology is essential for breathable air and oxidizer for rocket propellant.

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Water Extraction

Subsurface water ice has been confirmed at multiple locations on Mars by orbital radar instruments. Water can be extracted by heating ice-bearing regolith. This water is essential for drinking, agriculture, and producing hydrogen fuel through electrolysis.

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Food & Agriculture

Controlled-environment agriculture using hydroponics, aeroponics, and LED lighting will be required. Martian regolith contains perchlorates (toxic salts) that must be removed before agricultural use. Supplemental protein sources may include algae cultures and cellular agriculture.

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Propulsion & Transit

Current chemical propulsion (methane/liquid oxygen engines) enables Mars transit in approximately 6–9 months. Nuclear thermal propulsion concepts could reduce this to 3–4 months. Producing return propellant on Mars via the Sabatier reaction (COβ‚‚ + Hβ‚‚ β†’ CHβ‚„ + Hβ‚‚O) is key to mission sustainability.

Pioneers

Mars Pioneers

The visionaries driving humanity's journey β€” past, present, and future

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Wernher von Braun

Father of Mars Mission Design

Published 'Das Marsprojekt' (The Mars Project) in 1952 β€” the first technically detailed study for a crewed Mars expedition. Led development of the Saturn V rocket that took humans to the Moon.

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Carl Sagan

Planetary Science Visionary

Astronomer and science communicator who championed Mars exploration. Contributed to the Mariner and Viking mission teams. Inspired generations to look toward the stars through Cosmos.

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Robert Zubrin

Founder, The Mars Society

Aerospace engineer who proposed Mars Direct in 1990 β€” a practical, lower-cost architecture for crewed Mars missions using in-situ propellant production. Founded The Mars Society in 1998 to advocate for human exploration.

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Elon Musk

Founder & CEO, SpaceX

Founded SpaceX in 2002 with the stated goal of enabling human life on Mars. Overseeing development of Starship, designed as a mass-transit system for Mars colonization.

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Gwynne Shotwell

President & COO, SpaceX

Operational leader of SpaceX since 2008. Oversees engineering execution, manufacturing scale-up, and business operations that make Mars-class missions financially viable.

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Buzz Aldrin

Apollo 11 Astronaut, Mars Advocate

Second human to walk on the Moon during Apollo 11 in 1969. Since retiring from NASA has been a leading advocate for permanent human presence on Mars, proposing the Aldrin Cycler β€” a spacecraft trajectory that would enable regular Earth–Mars crew transport.

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Peggy Whitson

Record-Setting Astronaut & Researcher

NASA's most experienced astronaut, holding the U.S. record for cumulative time in space at 675+ days. Former Chief of the Astronaut Office and a scientific voice for the human factors β€” physiology, radiation, isolation β€” that long-duration Mars crews must survive.

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Jim Green

Former NASA Chief Scientist

Led NASA's Planetary Science Division for over a decade and served as NASA Chief Scientist through 2022. Championed Mars Sample Return, planetary protection standards, and long-term architecture for eventually sending humans to Mars.