Space weather can be a silent threat, its effects often invisible until disaster strikes. Yet, as humanity grows more dependent on satellites for everything from communication to navigation, ...

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and forced astronauts working in low-Earth orbit, aboard NASA’s Atlantis space ...

Space weather refers to the influence of solar activity on the Earth and the near-Earth environment. Solar flares, coronal mass ejections (CMEs) and solar energetic particles can disrupt satellite ...

For many of us, checking the weather is part of daily life. But, in an increasingly technology-dependent world, there is another kind of forecast we can't afford to ignore: space weather. Space ...

Solar storms satellites must withstand are among the most powerful natural space events, driven by space weather activity that releases massive energy bursts into the solar system. These events ...

The NASA Space Weather Program studies how weather in space affects not only humans on Earth, but also how it could create challenges for astronauts and spacecraft on missions. Space weather is a term ...

Flux ropes (simulated, right) are structures made up of magnetic field lines wrapping around each other like a rope, that look similar to tornadoes on Earth. NOAA, Mojtaba Akhavan-Tafti and Chip ...