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Stay connected with NASA's human exploration activities in and beyond low Earth orbit.

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Why We Explore

why do we explore?
Why Do We Explore?

From the time of our birth, humans have felt a primordial urge to explore -- to blaze new trails, map new lands, and answer profound questions about ourselves and our universe.

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Featured News

National Space Biomedical Research Institute logo on background image of DNA

NASA, NSBRI Select 29 Proposals To Support Crew Health

NASA and NSBRI will fund 29 proposals to address astronaut health and performance risks for future space exploration missions.

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Astro Charlie is Walking to the Moon

Mission X: International Fitness Challenge teams combine points to help Astro Charlie “walk to the moon”.

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Set a Course for Agility Training

Teams of elementary students from around the globe are training their way to a healthy lifestyle.

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2012 NASA Human Research Program Investigators’ Workshop. ISS Assembly Complete: Gateway to New Destinations.

2012 NASA HRP Investigators' Workshop

The annual meeting for NASA- and NSBRI-funded Investigators will be held from Feb. 14-16, 2012 in Houston, Tex.

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Space radiation

NASA's HRP Awards Space Radiobiology Research Grants

NASA is funding nine proposals from eight states to investigate questions about the effects of space radiation on human explorers.

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About Human Health & Safety

    NASA astronaut Clayton Anderson conducts a spacewalk. Photo credit: NASA

    In recent years, the objectives of our nation's space program have grown increasingly sophisticated and ambitious. Future missions will focus on exploration at greater distances from Earth and extended stays in space. To ensure that these goals are achieved, NASA's astronauts must be able to perform at peak productivity under even the most daunting conditions. The Human Research Program is dedicated to discovering the best methods and technologies to support safe, productive human space travel.

    From the challenges of providing appetizing food and optimal nutrition to managing the environmental risks posed by radiation and lunar dust, HRP scientists and engineers work to predict, assess, and solve the problems that humans encounter in space. Planned future missions will dramatically increase the scope of the challenges and demands that face NASA's astronauts. The HRP is working to improve astronauts' ability to collect data, solve problems, respond to emergencies, and remain healthy during and after extended space travel.

    Part of HRP's mission is to educate the public about the challenges of human space travel. As you navigate this site, you can learn more about the research and technology that supports and facilitates the work of the men and women who navigate the outer reaches of space.

Areas of Study

Physiology

Areas of study - Physiology

The human body is a remarkably complex assembly of systems. To carry out even the simplest task requires the input and cooperation of a highly orchestrated set of subsystems, such as nerves, bones, ...

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Environment

Areas of study - Environment

Over the course of many thousands of years, the human body has developed in response to the rigors of life on Earth. However, space presents many unfamiliar and often unknown risks and challenges. ...

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Technology

Areas of study - Technology

Science and technology helped make the once-impossible feat of human space travel a reality. Today, HRP scientists and engineers continue to hone and refine the technology that keeps astronauts who ...

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Human Research Program

    Working with HRP
    The Human Research Program conducts research and develops technologies that allow humans to travel safely and productively in the environment of space.
    Human Research Roadmap
    The Integrated Research Plan (IRP) describes the portfolio of HRP research and technology tasks. A web-based version of the IRP is accessible via the Human Research Roadmap.
    2011 HRP Annual Report
    The Human Research Program 2011 Year in Review.

Research Information