Drought conditions will cover much of the U.S this spring, especially in the West, including California, where dry conditions are expected "to persist or intensify," according to a National Drought Early Warning Outlook report.

With a blinding flash and a booming shock wave, a meteor blazed across the western Siberian sky Friday and exploded with the force of 20 atomic bombs, injuring more than 1,000 people as it blasted out windows and spread panic in a city of 1 million.

Federal regulators are cracking down on unsafe tour bus operators. The announcement comes on the heels of a deadly tour bus crash in Southern California.

Water officials hope the winter storm bearing down on California will give a boost to water supplies, after a record-dry January dramatically drained the Sierra Mountain snowpack and dampened optimistic outlooks.

A cold low pressure system moved into San Diego County overnight, bringing light rain and gusty winds. The National Weather Service expected the system to intensify throughout the day.

Great white sharks are one of the ocean's top predators, but California's Fish and Game Commission today will consider whether to enact protections for them and advance their candidacy to the list of California Endangered Species.

A Justice Department memo written prior to a drone strike that killed former San Diego Islamic cleric Anwar al-Awlaki in September 2011 states the U.S. can lawfully kill an American citizen in a foreign country if it's determined that person is a high-ranking al-Qaeda operative.

The growing number of poor families in San Diego County is taking a toll on emergency shelters.

On the heels of President Barack Obama's push for immigration reform, Secretary of Homeland Security Janet Napolitano is scheduled to visit San Diego today as part of a two-day Southwest border inspection tour that will end in El Paso, Texas.

Five more people in San Diego County died from the flu last week, bringing the total to 19, the County Health and Human Services Agency (HHSA) reported today.

In the serenity of the San Diego County mountains, workers armed with chainsaws are in a race against an invasive creature on a path of destruction.

There’s an ambitious effort underway in San Diego County to map every urban tree. One ecologist says a healthy canopy is essential in fighting climate change.

San Diego farmers say they’ve dodged significant crop damage following several nights of freezing temperatures.

Nighttime temperatures will tumble well below freezing this weekend throughout San Diego County. The National Weather Service has issued a freeze watch for Saturday night into Sunday morning when temperatures are expected to plunge into the 20s from the coast to the inland valleys.

Last year was 3.2 degrees warmer in the United States than the average for the entire 20th century. California had its 4th warmest year on record.

Temperatures in San Diego County are expected to plummet tonight, and the conditions could be life-threatening for the hundreds of homeless people on the streets.

A 6.3-magnitude earthquake struck off the San Diego coast at approximately 2:30 Friday morning, according to the U.S. Geological Survey.

A cold, blustery storm moved into San Diego County overnight, bringing widespread rain, flooding and gusty winds. The National Weather Service issued a winter weather advisory for the mountains through 4 a.m. Friday.

A new, advanced weather system will warn people of powerful winter storms and help mitigate the risk of flooding.

Enjoy the sunshine today, because by tomorrow night a cold Pacific storm from Alaska will make its way to San Diego, bringing showers, thunderstorms and snow in the mountains.

Emergency officials are bracing for dangerous fire conditions across San Diego County today as strong Santa Ana winds blow into the region.

The recent series of powerful winter storms in California has boosted the outlook for San Diego’s water supplies, as many of the state's essential reservoirs are above-normal after a slow start.

Public health officials around the country are turning to the Internet for warning signs of flu outbreaks.

More than 20,000 gray whales are starting to leave their Alaskan feeding grounds to travel 5,000 miles to the warm birthing waters in Mexico, but researchers are predicting a dramatic drop in calf production.

A bug the size of a grain of rice is killing massive 150-year-old oak trees in San Diego County, and researchers are worried the devastation could spread throughout the state.

Jerry Sanders held his final news conference as mayor of San Diego this morning. He officially leaves office on Dec. 3.

Congressman Brian Bilbray conceded the election for the 52nd congressional district on Friday. We'll talk to the longtime congressman about his next steps, whether he'll run for office again and find out what he wants to be remembered for as a legislator.

Rep. Brian Bilbray, R-Solana Beach, conceded defeat today to Democratic San Diego Port Commissioner Scott Peters in the close race for the 52nd Congressional District.

San Diego’s temporary winter homeless shelter is set to open next week, but won’t have nearly enough beds to accommodate the growing homeless population.

Gov. Jerry Brown's tax initiative, Proposition 30, is ahead 52 to 48 percent with more than half the state's precincts reporting..

After months of being inundated with political ads, televised debates, and endless commentary, voters in San Diego County and across the nation head to the polls today for the General Election.

San Diego Red Cross workers were deployed to the East Coast to assist those displaced by Hurricane Sandy.

A red flag warning is in effect for much of San Diego County from Thursday night through Saturday afternoon as powerful Santa Ana winds, combined with single-digit humidity, are expected to increase the danger of wildfires.

Responding to growth in the San Diego Chinese voter population, the Registrar's office is printing the ballot and other voting materials in Mandarin Chinese.

The first storm of the season has arrived to San Diego, bringing scattered thunder showers and significantly cooler temperatures. But the rain won’t be enough to impact the critical fire fuel levels as we approach the peak season for Santa Ana winds.

As firefighters continue to battle wildfires burning in San Diego’s East County, animal rescue crews are helping displaced pets, livestock and other animals.

San Diego’s scorching heat wave has entered its second week. The unrelenting hot temperatures have triggered another call for energy conservation.

California’s blistering heat wave and power plant equipment failures are straining the state power grid. Energy officials are calling on people to conserve.

A magnitude-4.5 earthquake shook parts of Southern California at approximately 9:30 a.m. on Wednesday morning, according to the U.S. Geological Survey. The quake was centered near Anaheim.

This is the second summer in a row that a San Diego beach has been closed due to a great white shark. Some researchers say sightings of the top predators are on the rise.

Rare thunder and lightning are expected to roll through San Diego County today. The summer storm could rumble neighborhoods and light up the skies -- from the mountains to the coast.

A baby boom of gray whales migrated through California waters this spring. There were twice as many calves born this season over last, according to NOAA.

The first heat wave of the summer is expected to scorch parts of San Diego County this week. It's also the first test of the region’s energy supply without the San Onofre Nuclear Power Plant.

The notorious black widow spider is being displaced by its brown cousin. The non-native brown widow outnumbers the black widow 20-to-1 in some parts of California, according to a new report.

Many people will flock to San Diego beaches this 4th of July, despite a Great White Shark sighting near La Jolla earlier this week. A California shark expert says the dorsal-finned predators are thriving along the Southern California coast.

Celebrate the Fourth of July in San Diego with fireworks, festivals, entertainment and fun. Here's a list of some Independence Day celebrations around San Diego County.

SDSU researchers are helping first-responders battle the massive wildfires in Colorado from hundreds of miles away.

Several San Diego State University athletes are chasing their Olympic dreams this weekend. The track and field stars are a dash, throw and jump away from the London spotlight.

San Diego has experienced a surge in wildfires during the last decade, and researchers warn that may be a prelude to many more such events in the future.

San Diego firefighters are bracing for another day of dangerous conditions across the mountains and deserts as strong winds and low humidity fuel the threat of wildfires.