Hilary weakens to tropical storm heading for California

Hurricane Hilary weakened to a tropical storm Sunday as it barreled up Mexico's Pacific coast, but was still likely to bring life-threatening flooding to the typically arid southwestern United States, forecasters said.

One dead as typhoon Doksuri batters Philippines

A powerful storm pounded the northern Philippines on Wednesday, killing at least one person, toppling trees and knocking out power as thousands sheltered with neighbors or in emergency evacuation centers.

Now we know how a solar storm took out a fleet of Starlinks

On March 23, sky observers marveled at a gorgeous display of northern and southern lights. It was reminder that when our sun gets active, it can spark a phenomenon called "space weather." Aurorae are among the most benign ...

How space storms miscue train signals

In July 1982, train signals in Sweden misfired and erroneously turned red. The culprit, believe it or not, was a space storm that started 150 million kilometers (93 million miles) away.

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