Any wind can exacerbate a wildfire, but unique traits of southeastern California’s Santa Ana winds make them particularly effective at spreading fires.

  • Dec 8, 2017

The plan relies on a promising but unproven system to destroy it with another missile.

  • Nov 29, 2017

Outside San Diego, six construction companies have built eight border wall prototypes

  • Oct 31, 2017

How earthquake early alert systems work

  • Sep 22, 2017

After days of terrifying predictions, preparation and evacuations, Irma arrived in the Florida Keys on Sunday morning and on the Florida mainland Sunday afternoon.

  • Sep 10, 2017

The most recent test was the regime’s biggest by far, but it is still small compared to those in other country’s arsenals.

  • Sep 3, 2017

Floods can leave thousands of homes beyond repair, but many can be saved.

  • Sep 1, 2017

  • Aug 29, 2017

GRAPHIC: How to cut a raw chicken into pieces to save money

  • Aug 15, 2017
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