Earth’s magnetic field was rattled by a solar outburst that arrived with almost no warning, lighting up skies and briefly ...

Chances an asteroid may hit Earth in 2032 have again risen, though the risk remains tiny, astronomers say. Here's what to ...

Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past few days, the sun ...

Stealth CMEs are typically more common when the Sun is in the waning phase of its 11-year solar activity cycle.