Johns Hopkins Applied Physics Laboratory
Enhancing National Security through Science and Technology


Image of a moving rock at Racetrack Playa in Death Valley National Park

Scientists Solve the Case of the Sliding Stones
The improbable movement of massive rocks across Racetrack Playa in Death Valley National Park had been the subject of speculation for almost a century—until a research team including APL’s Ralph Lorenz cracked the case.
Learn More »

Photo of Dawnielle Farrar-Gaines

Two APL Engineers Receive Women of Color Technology Awards
Dawnielle Farrar-Gaines and Nykia Jackson will receive 2014 Women of Color Technology Awards for their accomplishments in science, technology, engineering and mathematics (STEM)-related fields.
Learn More »

Artist's rendering of the Van Allen Probes

Van Allen Probes Continue to Deliver New Science and Findings
After lifting off on August 30, 2012, the twin NASA probes have delivered a wealth of data that has resulted in numerous discoveries, all of which have increased our understanding of the radiation belts above the Earth.
Learn More »

A Standard Missile-6 launch

Test Demonstrates Standard Missile-6 Effectiveness and Versatility
A recent Navy test showed the ability of the Standard Missile-6 (SM-6) to detect and engage a subsonic, low-altitude target over land.
Learn More »

New Horizons crossing Neptune's Orbit

NASA’s New Horizons Spacecraft Crosses Neptune’s Orbit
The New Horizons spacecraft, built and operated for NASA by APL, has traversed the orbit of Neptune, en route to becoming the first probe to make a close encounter with Pluto.
Learn More »


  • Air and Missile Defense

  • Civil Space

  • Cyber Operations

  • Homeland Protection

  • National Security Analysis

  • National Security Space

  • Precision Strike

  • Research and Exploratory Development

  • Sea Control

  • Special Operations

  • Strategic Deterrence