CubeSat satellite activates after a powerful solar storm and discovers two new and mysterious radiation belts around Earth.

New ESA simulations suggest that a solar storm on par with the 1859 Carrington Event could wreak havoc on Earth-orbiting satellites — and it is a question of "when," not "if" this will happen, experts ...

A powerful solar storm recently struck Venus, stripping its atmosphere due to the lack of a magnetic field. While Earth was ...

Skywatchers across North America should be on high alert as a rare train of four CMEs (coronal mass ejections) from the Sun is set to collide with Earth's magnetic field, promising a spectacular and ...

Europe has just run its most extreme space weather simulation yet — a scenario so severe that no spacecraft was left ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

The event, first detected late on October 21, was one of the fastest and most energetic solar outbursts recorded this solar ...

Threats from space aren't always obvious, but statistically, it's only a matter of time before one of them happens. One of ...

No communication or navigation, faulty electronics and collision risk. At ESA's mission control in Darmstadt, teams faced a ...

The Northern Lights may be visible in the U.S. this Monday, following a geomagnetic storm forecast by space weather experts ...