Future Space Missions

Artemis Lunar Program

NASA's Artemis program represents the most ambitious crewed exploration effort since Apollo. Artemis II, planned to carry four astronauts around the Moon and back, will be the first crewed flight of the Space Launch System rocket and Orion capsule beyond low Earth orbit. The mission will test critical life support, navigation, and communication systems during a roughly 10-day journey that takes the crew farther from Earth than any humans have traveled since Apollo 17 in 1972.

Artemis III aims to land the first woman and the first person of color on the lunar surface, using SpaceX's Starship Human Landing System to descend from lunar orbit to the south pole region. The mission plan calls for astronauts to spend roughly a week on the surface conducting science experiments, collecting samples, and testing equipment for longer stays. Subsequent Artemis missions will build toward a sustained presence, with crews spending progressively longer periods on the Moon and establishing infrastructure for permanent habitation.

The Lunar Gateway, a small space station in a near-rectilinear halo orbit around the Moon, will serve as a staging point for surface missions and a platform for scientific research. Built by NASA with contributions from ESA, JAXA, and the Canadian Space Agency, Gateway will support both crewed and robotic operations. Its orbit allows access to diverse landing sites across the lunar surface while maintaining communication with Earth, solving a logistics challenge that would be difficult with a station in low lunar orbit.

Mars Exploration Missions

Mars Sample Return remains one of the most anticipated missions in planetary science. NASA and ESA have been developing a complex multi-mission architecture to retrieve samples collected by the Perseverance rover in Jezero Crater and return them to Earth for detailed laboratory analysis. The samples, cached in sealed titanium tubes along the rover's traverse, may contain evidence of ancient microbial life preserved in lakebed sediments over 3 billion years old. Analyzing these materials with instruments too large and sensitive to fly on a rover could fundamentally change our understanding of whether life ever existed beyond Earth.

China's Tianwen-3 mission aims to accomplish Mars sample return as an independent effort, with a planned launch in the late 2020s. The mission would land a collection vehicle on the Martian surface, gather samples, launch them to Mars orbit using an ascent vehicle, then transfer them to a return spacecraft for the journey to Earth. If successful, it would make China only the second nation (or group of nations) to return samples from another planet.

The ExoMars Rosalind Franklin rover, a joint project of ESA and Roscosmos that was restructured after geopolitical changes, carries a drill capable of reaching two meters below the Martian surface. Subsurface samples are protected from the harsh radiation and oxidizing conditions at the surface, making them more likely to preserve organic molecules and potential biosignatures. The rover's onboard laboratory includes instruments specifically designed to detect signs of past or present microbial life.

Outer Solar System Missions

NASA's Europa Clipper, launched in 2024, is currently en route to Jupiter's moon Europa, where it will conduct nearly 50 close flybys to study the moon's ice shell, subsurface ocean, and potential habitability. Europa's ocean, estimated to contain roughly twice the water of all Earth's oceans combined, is one of the most promising locations in the solar system to search for extraterrestrial life. The spacecraft carries ice-penetrating radar, a thermal emission imaging system, mass spectrometers to analyze material ejected from the surface, and cameras that will map Europa at resolutions never before achieved.

ESA's JUICE (Jupiter Icy Moons Explorer), launched in 2023, will study Ganymede, Callisto, and Europa during an extensive tour of the Jovian system beginning in 2031. The mission will eventually enter orbit around Ganymede, the largest moon in the solar system, which has its own magnetic field and is believed to harbor a subsurface ocean beneath an ice shell over 100 kilometers thick.

The Dragonfly mission to Saturn's moon Titan represents a revolutionary approach to planetary exploration. Scheduled for launch in 2028, Dragonfly is a nuclear-powered rotorcraft that will fly through Titan's thick nitrogen atmosphere, landing at different sites to study the moon's complex organic chemistry. Titan's surface features rivers and lakes of liquid methane and ethane, and its atmosphere contains a rich mixture of organic molecules that may resemble the prebiotic chemistry that preceded life on Earth. The ability to fly between widely separated landing sites gives Dragonfly access to diverse geological environments that a stationary lander or slow-moving rover could never reach.

Solar and Heliophysics Missions

The Parker Solar Probe continues to set records for the closest approach to the Sun by a human-made object, eventually passing within 6.2 million kilometers of the solar surface. The probe's measurements of the solar wind, magnetic fields, and energetic particles within the Sun's corona are transforming our understanding of how the Sun drives space weather that affects Earth and every other body in the solar system.

ESA's Solar Orbiter, working in concert with Parker Solar Probe, provides high-resolution imaging of the Sun from perspectives impossible to achieve from Earth or Earth orbit. The spacecraft's orbit takes it out of the ecliptic plane, allowing it to study the Sun's polar regions for the first time. Understanding the Sun's behavior at all latitudes is crucial for predicting solar activity that can disrupt satellite communications, power grids, and astronaut safety.

Asteroid and Small Body Missions

OSIRIS-APEX, formerly OSIRIS-REx after its successful sample return from asteroid Bennu in 2023, is now heading to asteroid Apophis, which will make a remarkably close pass within 32,000 kilometers of Earth in April 2029. The spacecraft will study how Earth's gravity alters the asteroid's shape, spin, and surface during this close encounter, providing unique data about gravitational interactions between planetary bodies and small asteroids. This information is directly relevant to planetary defense, since understanding how asteroids respond to gravitational perturbations helps predict and potentially alter the orbits of hazardous objects.

NASA's DART mission successfully demonstrated asteroid deflection in 2022 by impacting the moonlet Dimorphos and measurably changing its orbit. ESA's follow-up Hera mission, launched in 2024, will arrive at the Didymos-Dimorphos system to conduct a detailed survey of the impact aftermath, measuring the precise mass, composition, and crater formed by the DART impact. Together, these missions establish the first tested planetary defense technique capable of protecting Earth from hazardous asteroid impacts.

The Lucy mission, launched in 2021, is on an extended journey to visit Jupiter's Trojan asteroids, ancient objects trapped in stable gravitational points ahead of and behind Jupiter in its orbit. These bodies are believed to be remnants from the outer solar system's formation, and studying them will provide clues about the early conditions that shaped the planets. Lucy will visit eight different asteroids over a 12-year mission, more individual targets than any previous planetary science mission.

Commercial and Emerging Programs

Beyond government missions, commercial companies are planning ambitious projects that would have been inconceivable a decade ago. SpaceX continues to develop Starship for both lunar and eventual Mars missions, with the vehicle's enormous payload capacity enabling mission architectures previously considered impractical. Blue Origin's Blue Moon lander and Astrobotic's Griffin lander are competing to deliver large payloads to the lunar surface for both NASA and commercial customers. Private space stations from Axiom Space, Vast Space, and the Orbital Reef partnership aim to replace the ISS as platforms for research, manufacturing, and tourism, ensuring that humans maintain a continuous presence in low Earth orbit well beyond the station's planned retirement around 2030.