What Is Space Law?

Space law refers to the body of laws that govern space-related activities. Like general international law, space law comprises a variety of governing norms and principles, including:

• International agreements
• Outer space treaties
• International conventions
• United Nations General Assembly resolutions
• Regulations of international organizations

Space law impacts everyday life more than most people realize. It affects satellites that support GPS, weather forecasting, television, internet access, and emergency communications. These activities all operate within a legal framework designed to keep space free for all to explore, safe, and organized.

As more private companies enter the space industry and technology continues to evolve, the need for clear rules has become more evident. This overview explains what space law is, the major treaties and principles behind it, and why it matters to governments, businesses, and ordinary consumers alike.

If you need help with issues relating to space law, consult an international law attorney for guidance.

Space Law: Historical Development

Space law comprises the treaties, rules, and standards of international law that govern outer space. As space technology and ventures advance, laws governing space become more relevant. In addition to international law, many countries have space-related legislation.

At the height of the Cold War, following the launch of Sputnik 1 in 1957, countries recognized the need for a global framework to govern the exploration of outer space and ensure its peaceful use.

Since that time, rapid technological advancements have pushed space exploration to new heights, covering more areas of the solar system and beyond. From mapping local satellite orbits to discovering distant exoplanets, humanity’s reach into space continues faster than the legal frameworks that govern it.

For example, the International Space Station, space tourism led by private companies, and a space market have led to an exponential increase in satellite launches. This increased “occupancy” of space has led to a need for debris mitigation.

Guiding Legal Principles of Space Law

This first principle of space law is known as freedom of use: Outer space is free for exploration and use by all nations without discrimination or regard to geopolitical standing. Other guiding principles include:

• The notion that the extraterrestrial environment is a province of all humankind
• International cooperation
• The principle of non-appropriation of outer space

The U.N.’s Committee on the Peaceful Uses of Outer Space (COPUOS), established in 1959, provides a multilateral platform for the international community to negotiate and develop these key agreements. COPUOS, which meets annually, has grown from 24 to over 100 member countries and more than 50 observer organizations.

Main International Space Treaties

The main international space treaties include the following:

• The Outer Space Treaty (1967). Laid the foundation for international space law and the freedom of use. It prohibits the use of weapons of mass destruction in space. and prevents national sovereignty claims over outer space or celestial bodies, and holds nations liable for damage caused by their space objects.
• The Rescue Agreement (1968). It mandates that countries take all possible measures to rescue and assist astronauts in distress, return them to their country, and assist them in returning space objects that land outside the launching country’s territory.
• The Liability Convention (1972). Establishes absolute liability for launching states for damages caused by their space objects or spacecraft on Earth’s surface or to aircraft.
• The Registration Convention (1976). Requires countries to register their orbiting objects with the United Nations by providing notifications to the United Nations Secretary General.
• The Moon Agreement (1984). Declares the moon and other celestial bodies to be used exclusively for peaceful purposes, prohibiting environmental disruption. All countries must inform the U.N. of the location and purpose of any stations established on these bodies and declare the moon and its natural resources the common heritage of all mankind.

Additional space agreements negotiated between 1982 and 1996 have addressed a range of technical issues, from television broadcasting to space debris mitigation and nuclear power in space. Around the world, national space agencies collaborate with private companies to manage the licensing and safety of orbital launches.

Common Issues in Space Law

Space law addresses a variety of matters relating to outer space activities, such as:

• The preservation of space and Earth’s environment
• Information-sharing regarding the dangers of space
• Liability for damages caused by space objects
• Astronaut rescue agreements
• Space-related dispute resolution

The United Nations Office for Outer Space Affairs (UNOOSA) works to help the international community, especially developing countries, access and leverage peaceful uses of outer space and the benefits of the space environment to accelerate sustainable development.

UNOOSA provides, upon request, information and advice to governments, non-governmental organizations, and the general public on space law to promote understanding, acceptance, and implementation of the international space law agreements concluded under United Nations auspices.

National Laws and Domestic Regulators of Space

While international space law sets the ground rules, much of the decision-making occurs at the national level. Each country must create its own laws, agencies, licensing systems, and standards to make the international obligations tangible.

Private companies now conduct many activities in space, including:

• Launching rockets
• Operating communications satellites
• Gathering Earth-imaging data
• Planning missions involving lunar exploration and resource extraction from near-Earth asteroids

US Agencies That Regulate Space Activities

Under international space law, each nation is responsible for national activities in space, including those conducted by private companies. In the United States, for example, different departments and agencies handle parts of the system.

• NASA. Responsible for the U.S. civilian space program and for aeronautical and space-related research.
• Federal Aviation Administration (FAA). Responsible for regulating the emerging commercial space transportation industry, ensuring its compliance with international space law obligations and safeguarding public health and safety.
• Federal Communications Commission (FCC). Along with the National Telecommunications and Information Administration (NTIA), the FCC is responsible for allocating the radio spectrum used by federal government and private industry-operated telecommunications satellites.
• U.S. Department of Defense. Coordinates U.S. national security policy and oversees all branches of the U.S. armed forces, including the U.S. Space Force, the newest branch of the military.
• National Oceanic and Atmospheric Administration (NOAA). A scientific agency within the U.S. Department of Commerce has several offices that address commercial space policy, satellite imagery, and remote sensing.

How Space Law Impacts You Every Day

Space law impacts us each day, even if we don’t think about it. UNOOSA provides a library of videos discussing international space law and its impact on everyday life.

The application of space law is not limited to astronauts or NASA moon missions; it impacts everyday consumers in ways that include the following:

Telecommunications and Navigation

Communications satellites, remote sensing for weather and disaster management, direct satellite television broadcasts, and GPS represent a few of the activities in space that impact consumers each day.

These systems depend on satellites operating in specific orbital paths and on particular radio frequencies. If there were no agreement, operators could interfere with each other’s radio signals, causing disruption or confusion.

Keeping telecommunications and navigation operating smoothly requires international and national regulations to ensure operators follow technical and safety standards.

Data Collection and Privacy

Many satellites are used for remote sensing. This means observing Earth from orbit. Such uses include:

• Agriculture monitoring
• Disaster response
• Environmental tracking
• Mapping

As satellite imaging becomes more advanced, questions about privacy and security become more pressing. How much data can private companies collect, who can access this data, and what protections are available for people on Earth?

A patchwork of rules and principles applies. These include international space law principles, national laws, licensing rules, and industry practices. If you have ideas regarding space commerce, you may submit them to the Space Commerce Ideas Inbox for consideration.

The New Space Race: Current Debates and Emerging Frameworks

The U.N. recognizes the private sector’s role in expanding the space industry. This represents a shift away from an era in which governments dominated. UNOOSA actively promotes partnerships with private industry.

The treaties, legal principles, and declarations that constitute space law for nations worldwide also apply to the private sector. However, laws are struggling to keep pace with new technologies, such as the use of artificial intelligence in autonomous satellite navigation and collision avoidance.

The existing international framework for outer space does not specifically address every new activity that private industry seeks to undertake there. However, it does work reasonably well for setting important fundamental principles. Even scientific endeavors like the Search for Extraterrestrial Intelligence (SETI) rely on international agreements to keep specific radio frequencies clear from commercial interference.

Some of the most pressing issues relating to the ongoing use of space include space debris (the environment of space) and the use of space technology for military purposes. What the future holds in the final frontier is yet to be seen.

Space Law FAQ

Can I Buy Property on the Moon?

While you may see companies selling certificates claiming that you can claim land on the moon, there is no internationally recognized legal ownership of property on the moon.

The 1967 Outer Space Treaty says that outer space, including the moon, is not subject to national appropriation.

What Happens if a Rocket or Satellite Lands on Your Property?

If a satellite or rocket lands on your property, international space law would govern. The U.S. government would make a claim for compensation through diplomatic channels and then pay you, or the U.S. government could pay you if they choose not to make a claim.

According to the 1967 Outer Space Treaty and the 1972 Liability Convention, both adopted by the U.N., this would be a government-to-government issue. Under current space law, countries have several duties:

• The duty to warn other governments about space debris
• The duty to provide any information about an impending crash
• The duty to clean up any damage caused by the spacecraft
• The duty to compensate the government for any injuries that may have resulted

In short, if debris from space lands on you or your property, your remedy would most likely come from the U.S. government itself, rather than from a direct claim against a foreign country (if the space debris originated from a foreign country).

Can Anyone Launch a Rocket?

No. The country of origin is responsible for whatever happens in space, including the launch of a rocket. Countries must authorize and supervise the activity.

In the U.S., only a person or entity that has the required federal authorization, generally a license from the Federal Aviation Administration, can launch a rocket.

The FAA is responsible for granting licenses for rocket launches. This ensures that the launch complies with the relevant safety, national security, foreign policy, and related legal requirements.

Can You and Your Family Fly into Space?

Several companies have developed, or are in the process of developing, orbital and suborbital vehicles that would allow for space tourism. You will need to inquire with private operators for further information.

Regarding commercial human spaceflight, the U.S. Congress imposed a regulatory moratorium that has been extended through January 1, 2028. In the meantime, commercial space flight can proceed by obtaining “informed consent” under regulations imposed by the U.S. Congress.

Get Legal Help for Space Law Issues

Space law issues govern more aspects of our everyday lives than we probably think about. If you have questions or need legal guidance on space law issues, contact an experienced international law attorney.