Preliminary 3.4-magnitude quake rattles Ontario area

A preliminary 3.4-magnitude earthquake struck early Tuesday morning about 4 miles east of Ontario, according to the U.S. Geological Survey. 

Possible tornadoes hit Central Texas
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Parts of Central Texas were battered by severe weather, including a Walmart parking lot in Round Rock.

Weather Forecast for Monday, March 21
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Multiple tornadoes cause damage across Central Texas

Several tornadoes were confirmed on the ground Monday evening and left behind damage throughout Central Texas.

Weather Forecast for Monday, March 21
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast: Saturday, March 19
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast: Friday, March 18
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast for Friday, March 18
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Climate change is worsening allergy season, scientists find

According to scientists, the warming of the planet is making winter shorter, causing planets to bloom earlier and for longer periods — contributing to a worsening allergy season for Americans.

Weather Forecast for Thursday, March 17
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast for Thursday, March 17
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast: Wednesday, March 16
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

7.3 magnitude earthquake rocks Japan; tsunami risk receding

A powerful 7.3 magnitude earthquake shook off the coast of Fukushima in northern Japan on Wednesday evening, triggering a tsunami advisory.

Weather Forecast for Wednesday, March 16
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast for Wednesday, March 16
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

Weather Forecast for Tuesday, March 15
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.

More than pretty photos: The science behind colorful sunrises and sunsets

Have you ever wondered why the sun puts on a breathtaking show of colors in the morning and at dusk? The bountiful hues of reds, oranges and pinks at sunrise and sunset are certainly something worth treasuring each day, and you can thank science for that.

Weather Forecast for Tuesday, March 15
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The latest forecast for the greater Los Angeles area, including beaches, valleys and desert regions.