Space looks empty until you try to cross it. Far beyond Pluto, where sunlight is faint and the planets are long behind, NASA’s New Horizons spacecraft is moving through a region where the Sun’s ...

A new Southwest Research Institute (SwRI) study based on data from NASA's New Horizons spacecraft has uncovered insights into why the solar wind gradually slows as it moves toward the edge of the ...

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 ...

Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission aims to help astronomers better understand it. Created by the solar wind, a constant ...

Throughout any given year, the National Academies convene hundreds of conferences, workshops, symposia, forums, roundtables, and other gatherings that attract the finest minds in academia and the ...

Astrophysicists calculate the likelihood that Earth was exposed to cold, harsh interstellar clouds, a phenomenon not previously considered in geologic climate models. Around two million years ago, ...

Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions. All the planets of our solar system are encased ...