The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

A coronal mass ejection (CME) struck Earth last night. At first, it appeared weak and failed to trigger an immediate magnetic storm. But like they say in the iconic fable "The Hare and the Tortoise," ...

A massive geomagnetic superstorm in May 2024 gave scientists an unprecedented look at how Earth’s plasma shield collapses and slowly rebuilds under extreme solar pressure. Using the perfectly ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.