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An artist’s rendition of the IBEX in space.

IBEX Reveals Missing Boundary At Solar System Edge

Scientists compile data from IBEX, Voyager, and computer models to show that the heliosphere just isn't moving fast enough to create a bow shock.

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Artist concept of NASA's Voyager spacecraft

Voyager Instrument Cooling After Heater Turned off

The heater shut-off is a step in the careful management of diminishing electrical power.

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Artist concept of Voyager 1 encountering a stagnation region.

NASA's Voyager Hits New Region at Solar System Edge

NASA's Voyager 1 spacecraft has entered a new region between our solar system and interstellar space.

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Voyager 2 Completes Switch to Backup Thruster Set

NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft.

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Artist's concept shows NASA's two Voyager spacecraft exploring a turbulent region of space known as the heliosheath

Voyager 2 to Switch to Backup Thruster Set

NASA's Deep Space Network personnel sent commands to the Voyager 2 spacecraft today to switch to the backup set of thrusters that controls the roll ...

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News and Features

Recalculating the Distance to Interstellar Space

Data from NASA's Voyager and Cassini spacecraft suggest Voyager could reach the space between stars sooner than previously thought.
A Big Surprise from the Edge of the Solar System

NASA's Voyager probes are truly going where no one has gone before and are beaming back news from the most distant reaches of the solar system...It's bubbly out there.
Probes Suggest Magnetic Bubbles at Solar System Edge

Observations from NASA's Voyager spacecraft, humanity's farthest deep space sentinels, suggest the edge of our solar system may not be smooth, but filled with a turbulent sea of magnetic bubbles.