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Projects and Missions

Highlights

Explore Our Work

Below is a sampling of APL’s critical contributions to critical challenges. Filter projects and missions by area of impact, mission area, or both.

IMAP Spacecraft rendering

IMAP

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) mission, which APL built in partnership with Principal Investigator David McComas of Princeton University, will study the boundary of our heliosphere, decoding the messages in particles from the Sun and beyond our cosmic shield.
Learn more about IMAP
Artist's rendering of Dragonfly

Dragonfly

Dragonfly is a NASA New Frontiers mission that will send a rotorcraft lander to explore the prebiotic chemistry and habitability of Saturn’s largest moon, Titan.
Learn more about Dragonfly
DARC Satellite

DARC Demonstration

The APL designed, developed, and tested Deep Space Advanced Radar Capability (DARC) helped solve the challenge of locating and tracking active satellites in and on the way to geosynchronous orbit, more than 22,000 miles above Earth.
Learn more about DARC Demonstration
NASA's Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory (GUSTO) mission launches from Antarctica on Dec. 31, 2023. (Credit: NASA/Scott Battaion)

Balloon Programs

APL balloon missions and instruments observe planetary targets and the interstellar medium, and conduct other space science investigations.
Learn more about Balloon Programs
ACE Satellite orbiting the sun

ACE

A heliophysics observatory, the Advanced Composition Explorer (ACE) provides early warning of geomagnetic storms that can overload power grids, disrupt communications on Earth, and present a hazard to astronauts.
Learn more about ACE
Lunar Swirls

Lunar Vertex

Lunar Vertex will be the first mission to carry out a comprehensive study of lunar magnetic anomaly and the associated swirl and mini-magnetosphere.
Learn more about Lunar Vertex
MESSENGER Spacecraft

MESSENGER

MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) was the first mission to orbit Mercury, shedding unprecedented light on the origins and evolution of the innermost planet.
Learn more about MESSENGER
NEAR Spacecraft in front of asteroid

NEAR

The first launch in NASA’s Discovery program, the Near Earth Asteroid Rendezvous (NEAR) was the first mission to orbit and land on an asteroid.
Learn more about NEAR
Van Allen Probes floating over earth

Van Allen Probes

A mission to explore Earth’s harsh radiation belt environment and the dynamics of geomagnetic storms
Learn more about Van Allen Probes
Artist's rendering of New Horizons

New Horizons

New Horizons is the first mission to Pluto and the Kuiper Belt, the distant region of planetary building blocks that hold keys to our solar system’s formation.
Learn more about New Horizons
Artist's rendering of Parker Solar Probe

Parker Solar Probe

Parker Solar Probe dives closer to the Sun than humanity has ever ventured to unlock the mysteries of our nearest star.
Learn more about Parker Solar Probe
TIMED Satellite

TIMED

For nearly two decades, the Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics (TIMED) mission has explored the gateway between Earth and space.
Learn more about TIMED