A new NASA spacecraft has started tracking the particle streams that can make a massive solar flare dangerous while mapping ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

The sun is the lifeblood of our solar system, a blazing star that has held everything together for over 4.6 billion years. But like all things in the universe, even our sun will not last forever. If ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...