Illustration showing position of Voyager 1 and Voyager 2

Solar System

Interstellar Space: The View from Voyager 2

Voyager 2 crossed into interstellar space a year ago. Now, five teams of astronomers have analyzed the data it returned to paint a picture of the outer boundary of the solar system.

Solar System

Voyager 2 Enters Interstellar Space

More than 18 billion kilometers from home, Voyager 2 has become the second probe to break through the heliopause, a tenuous boundary between the solar system and the rest of the Galaxy.

Illustration of positions of Voyager 1 and 2

Spacecraft and Space Missions

Voyager 2 Approaches Interstellar Space

An increase in cosmic rays indicates that Voyager 2 is approaching the heliopause, where the solar wind gives way to the interstellar medium.

Voyager 1

Spacecraft and Space Missions

Cheers to 40 Years! Voyagers 1 and 2 Going Strong

Scientists and astronomy enthusiasts are coming together to celebrate two spacecraft, billions of miles beyond Earth, as they head for the stars.

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