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Why Study Animals in Space?

When humans travel in space the extreme environment causes loss of bone and muscle, immune system dysregulation, cardiovascular system changes and other health hazards.

By sending model organisms, such as fruit flies, nematode worms, and rodents into space, scientists can unravel the complex molecular changes that are triggered by stressors like microgravity, oxidative stress and space radiation. Understanding the underlying mechanisms is the first step to developing health countermeasures to protect astronaut health for future missions.

Animal Biology Missions
Fruit flies (Drosophila melanogaster) are a commonly used model organism for space research. Their small size and short life span allows scientists to study large sample sizes over many generations in space.

Latest Space Bioscience Missions

image showing various tubes and pouches containing live biological cultures

Cell Science

Some aspects of life function differently in space, and biologists can learn a lot about how it impacts human health by studying cells grown in the microgravity environment, or weightlessness, of the International Space Station. 

image of the Rodent Habitat hardware

Rodent Research

The Rodent Research Hardware System provides a research platform aboard the International Space Station for long-duration rodent experiments in space. Such experiments examine how microgravity affects the rodents, providing information relevant to human spaceflight, discoveries in basic biology, and knowledge that can help treat human disease on Earth.

Fruit flies (Drosophila melanogaster) are used for scientific research both on Earth and in space.

Fruit Fly Lab

NASA's Fruit Fly Lab provides a research platform aboard the International Space Station for long-duration fruit fly (Drosophila melanogaster) studies in space.

A petri dish contains colonies of fungi grown from a sample collected aboard the International Space Station during the first of

Microbial Tracking

The Microbial Tracking studies will use culture-based and high-throughput methods of molecular analysis to analyze air and surface samples returned from the space station. The high-throughput methods complement traditional culture-based methods of microbial analysis and allow for identification of “unculturable” microbes.

The Heat Melt Compactor trash management system for space in its ground configuration at NASA's Ames Research Center.

Heat Melt Compactor

Dealing with trash is a challenge wherever people work and live, and space is no exception. To better manage this, NASA is developing a new trash processing system to demonstrate on the International Space Station.

Purple-gloved hands seen holding experiment hardware with a round container at left, and plastic tube extending to the right.

BioNutrients

The BioNutrients system uses a small storage pack containing a dried, edible growth substrate and microorganisms genetically engineered to rapidly produce controlled quantities of essential nutrients. Because the growth substrate and microorganisms both have a long shelf-life at room temperature and they only need water to be activated, the system provides a simple, practical way to produce essential nutrients on-demand.