The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

The decision comes as the Voyager spacecraft face diminishing power supplies due to the gradual decay of their radioactive ...

Doing so could tell scientists more about the heliosphere’s shape and its interaction with the local interstellar medium, the space environment beyond the heliosphere. In 1977, NASA launched the ...

Both probes are the only spacecraft to operate beyond the heliosphere, the sun’s bubble of magnetic fields and particles that extends well beyond the orbit of Pluto. Instruments necessary for ...

A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

Thus far, the Voyager 1 and 2 spacecraft are the only missions to have potentially left the heliosphere. Now, 46 years after its 1977 launch, the spacecraft is well beyond its intended mission ...

But that's not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the sun, is over a hundred times ...