Deep space exploration is set to make significant strides in 2026, with 18 major missions currently planned, though delays or cancellations remain possible. These missions highlight humanity’s growing ambitions beyond Earth’s orbit, focusing particularly on the Moon, Mars, and even Venus. Here’s what you can expect to see in 2026’s push for interplanetary discovery.

The Moon: A Primary Destination

The Moon remains a major focus for space agencies worldwide. The Artemis 2 mission, planned as the first crewed deep space mission in over 50 years, is a cornerstone of this effort. Artemis 2 will take a crew on a 10-day journey that includes a free-return flyby of the Moon. Unlike its predecessor, Artemis 1, which was uncrewed, Artemis 2 will not enter lunar orbit but will instead perform a flyby before heading back to Earth.

With this mission, NASA seeks to rekindle human exploration of deep space, a feat not achieved since Apollo 17 in 1972. Artemis 2 will provide crucial data and serve as a stepping stone for more ambitious lunar goals, such as a sustained human presence on the Moon’s surface under the Artemis program.

Mars Missions on the Rise

Beyond the Moon, Mars is emerging as another key destination in 2026, thanks to the alignment of the Hohmann transfer window. This orbital phenomenon, which simplifies travel to Mars by minimizing energy requirements, occurs every 26 months. Space agencies and private companies are taking full advantage of this opportunity, leading to a significant uptick in planned missions to the Red Planet.

While specifics about individual Mars missions in 2026 are still being finalized, the general trend points towards both scientific exploration and technological demonstrations aimed at paving the way for future human habitation. These missions could include rovers, orbiters, or even landers designed to test new equipment for eventual crewed missions.

Other Destinations: Venus and Beyond

Though the Moon and Mars dominate 2026’s deep space agenda, Venus has not been entirely overlooked. A few missions aim to focus on Venus’s atmosphere and surface, which continue to intrigue scientists searching for clues about Earth’s potential climate future and the possibility of life in extreme conditions. These plans underline a broader interest in widening the scope of interplanetary exploration to include Earth’s closest planetary neighbors.

Spacecraft and Launch Vehicles

The success of these missions depends heavily on a reliable launch infrastructure. In 2026, SpaceX and Blue Origin are leading the charge, together accounting for over 50% of the proposed launch vehicles. SpaceX’s Falcon 9 and Falcon Heavy, both proven workhorses, are expected to play major roles. Meanwhile, Blue Origin's New Glenn rocket, though less tested, is poised to become a key player in the deep space launch market.

Notable contributions will also come from China and Japan, both of which are ramping up their space exploration capabilities. Europe and Canada are lending their expertise as well, highlighting the global nature of these endeavors.

Regional Contributions and Competition

The United States remains the clear leader in deep space exploration efforts in 2026, particularly with NASA’s Artemis program at the forefront. However, other nations are making their mark. China, for example, continues to invest heavily in its space program, with planned missions that may include lunar exploration and spacecraft testing for future Mars initiatives. Japan is also carving out its role by focusing on smaller, innovative technology payloads.

This international mix of contributors promises a diverse array of missions and science goals, from pushing the boundaries of human exploration to studying planetary atmospheres and geology.

Summary of 2026 Missions

A total of 18 deep space missions are planned for the year, though some may ultimately be delayed or canceled due to funding, technical, or logistical reasons. Key highlights include:

• Artemis 2: The first crewed mission to deep space in over 50 years.
• Moon missions: Continued emphasis on lunar exploration as part of building a sustainable presence.
• Mars missions: Expanded efforts driven by the Hohmann window, including orbiters, rovers, and possibly landers.
• Diverse launch providers: SpaceX and Blue Origin lead, with contributions from China, Japan, Europe, and Canada.

What This Means for Deep Space Exploration

2026 is shaping up to be a transformative year for interplanetary science and exploration. The return of crewed missions to deep space through Artemis 2 represents a symbolic and practical milestone, signaling renewed global interest in pushing humanity’s reach beyond Earth orbit. The emphasis on Mars demonstrates a clear shift towards long-term objectives like establishing human settlements on the Red Planet, enabled by cutting-edge technology from both governmental and private players.

While the Moon retains its place as the priority destination, the broader ambition to explore Venus and other planets indicates a commitment to unraveling the mysteries of our solar system. SpaceX and Blue Origin’s dominance in the launch industry underscores the growing role of private companies in the space sector, complementing traditional state-led efforts.

As these missions unfold, the discoveries and advancements will not only deepen our understanding of space but also lay the groundwork for future generations to venture further into the cosmos.