Johns Hopkins Applied Physics Laboratory Civil Space

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We Lead Missions To Explore the Habitability of Other Worlds

APL leads Dragonfly — a game-changing rotorcraft to study the surface and organic chemistry of Saturn's largest moon, Titan.

Read About Dragonfly

From The Sun to Pluto and Beyond

Our spacecraft and instruments have helped "touch" the Sun, measure and track Earth’s magnetosphere, search for ancient water on Mars, probe the mysteries of Pluto and measure the boundaries of our solar system before entering interstellar space. And those discoveries are just the beginning.

Explore APL’s Work

Our Organization

Since the dawn of the Space Age, Johns Hopkins APL has pushed the frontiers of space science, engineering and exploration. Learn more about how we lead missions from design and build through operations and data delivery.

National Security Space

National Security Space

Space solutions to critical military problems

Space Formulation

Space Formulation

Leaning forward to take on the challenges of the future


Civil Space Flight

From the Sun to Pluto and beyond

Our People

We are scientists, engineers, planners and dedicated professionals committed to exploring space and expanding humanity’s knowledge of the Sun-Earth system, our moon, the solar system and beyond. We do the impossible every day. Learn more about our people.

Browse All APL Staff
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Learn more about our research in planetary science, Earth science, heliophysics and astrophysics.
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Learn more about our spacecraft and instruments as well as our mission design and operations teams who are helping to expand humanity’s understanding of the universe every day.

For the Media

Learn more about APL’s missions and discoveries — and the people who make it all happen. Use our Media Center to find high-resolution images and HD videos, receive detailed mission information, or contact a public affairs representative.