How many Moon Trees are still alive today?

The exact number is unknown since NASA lost track of most specimens, but researchers have identified dozens of surviving Moon Trees across the United States.

Can I visit a Moon Tree near me?

Several Moon Trees are located at public institutions like universities and government buildings, though many remain unidentified in various locations.

Did the space radiation make the trees dangerous?

No, the Moon Trees pose no danger to humans and are completely safe to be around, despite their genetic modifications.

What Happened to NASA's Moon Trees That Were Exposed to Space Radiation?

Name: NASA's Space Seeds Came Back MUTANT 🌳
Uploaded: 2026-04-03T00:00:00Z
Duration: 60 s
Description: NASA's Moon Trees, grown from 500 seeds that orbited the Moon, exhibited unusual growth patterns after space radiation exposure. These mutated trees grew faster and taller.

NASA’s Moon Trees, grown from 500 seeds that orbited the Moon during the Apollo 14 mission in 1971, exhibited unusual growth patterns after exposure to space radiation and zero gravity. These trees, now scattered across the United States, grew faster and taller than their Earth-bound counterparts, demonstrating the lasting effects of cosmic radiation on biological organisms.

The Apollo 14 Seed Experiment

In January 1971, astronaut Stuart Roosa carried 500 tree seeds aboard Apollo 14 as part of an unofficial experiment. The seeds included loblolly pine, sycamore, sweet gum, redwood, and Douglas fir varieties. During their journey around the Moon, these seeds were exposed to cosmic radiation, zero gravity, and the vacuum of space for nine days.

Upon return to Earth, NASA germinated the seeds and distributed the resulting saplings to various locations across the United States. The experiment aimed to study how space conditions might affect plant growth and development.

Unusual Growth Characteristics

The Moon Trees displayed several remarkable differences compared to control trees grown from seeds that remained on Earth. Many grew significantly faster and taller than expected, while others developed unusual branching patterns or leaf structures. Some trees showed enhanced resistance to diseases and environmental stresses.

Scientists attributed these changes to mutations caused by cosmic radiation exposure during the lunar journey. The high-energy particles in space can alter DNA sequences, leading to genetic modifications that affect how organisms develop and function.

The Lost Forest

One of the most intriguing aspects of the Moon Tree story is that NASA lost track of most specimens after distribution. Without proper documentation, many trees were planted and forgotten, becoming part of local landscapes without anyone knowing their extraordinary origins.

In recent years, researchers and enthusiasts have worked to locate surviving Moon Trees. They’ve found specimens at universities, government buildings, and public parks across the country. Some trees have thrived for over 50 years, continuing to demonstrate the lasting effects of their space journey.

Scientific Implications

The Moon Trees represent an early example of astrobiology research, providing insights into how Earth organisms might adapt to space environments. Their continued survival and unique characteristics offer valuable data for future space missions, particularly as humans plan for long-term space habitation and potential terraforming efforts.

These living monuments to space exploration continue to grow today, serving as tangible reminders of humanity’s journey to the Moon and our ongoing quest to understand life’s resilience in extreme conditions.