NASA's THEMIS discovers new process that protects Earth from space weather

In the giant system that connects Earth to the sun, one key event happens over and over: solar material streams toward Earth and the giant magnetic bubble around Earth, the magnetosphere helps keep it at bay.

The heart of space weather observed in action

Two NASA spacecraft have provided the most comprehensive movie ever of a mysterious process at the heart of all explosions on the sun: magnetic reconnection. Magnetic reconnection happens when magnetic field lines come together, break apart and then exchange partners, snapping into new positions and releasing a jolt of magnetic energy.

Venus's space weather happens up close and personal

Astronomers studying Venus have spotted a type of space weather outburst called a hot flow anomaly (HFA), which causes a temporary reversal of the solar wind that normally flows right past.

And today's space weather forecast is... more accurate

Space weather forecasts are about to get more accurate - just in time for a period of increased solar activity.

NASA gets first 360-degree images of the sun

NASA has released the first ever 360-degree view of the sun, taken by two probes on opposite sides.

And today's space weather forecast is...

The world's first space weather forecasting system is about to go into operation.

Space weather risk to airlines

Air crew and frequent fliers could run health risks from space weather, according to a report from insurers Lloyds.