The probe is set to become the third human-made object to leave the solar system, but it must first cross this mysterious ...

NASA’s New Horizons spacecraft is heading toward one of the most significant milestones in modern space exploration. After ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Southwest Research Institute (SwRI) scientists are using a solar wind forecasting method combined with analytic and numerical heliosphere models to find out where the first plasma boundary of the ...

(CNN) — Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission has launched to help astronomers better understand it. Created by the solar ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three ...