A trio of space missions just launched, set to deepen our understanding of the sun's influence and protect Earth from the ...

The three spacecraft will be forecasting solar storms, mapping our solar neighborhood and observing the outer layer of ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

The recently launched spacecraft will sit upstream of the solar wind and study it before it gets to Earth. Although they will ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better ...

Officials expect NASA’s satellites to be in position and operational by the beginning of next year, and NOAA's spacecraft by ...

The Sun's activity is rising again after decades of decline, surprising scientists and raising concerns about space weather.

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't ...

Earlier this week, the Sun unleashed a flurry of plasma and magnetic fields, or coronal mass ejection, at interstellar object ...

NASA and the National Oceanic and Atmospheric Administration have launched three new missions to enhance our understanding of ...

All signs were pointing to the Sun going into a prolonged phase of low activity,” NASA's Jamie Jasinski said. "The Sun is ...