Wildlife are enjoying a less trashy area of the San Diego River after a special kayak and canoe cleanup Sunday.

A recent court ruling says the City of San Diego is too cozy with Qualcomm founder Irwin Jacobs when it comes to revamping Balboa Park’s Plaza de Panama.

The program explores the science of slithering, as well as the development of “infra-red goggles” that let the snakes hunt warm-blooded prey in the dark and a flexible jaw that allows them to stretch their mouths around huge prey, including alligators. The scientists make an amazing discovery in the female: ovaries bulging with 40 egg follicles ready to be fertilized. Richard Dawkins describes how snakes evolved from four-legged lizard-like ancestors, and biologist Simon Watt finds out what it feels like to be crushed by a real-life python.

In October 2007, a striking portrait of a young woman in Renaissance dress made world news headlines. Originally sold two years before for around $20,000, the portrait is now thought to be an undiscovered Leonardo da Vinci masterwork worth more than $100 million. How did cutting-edge imaging analysis help tie the portrait to Leonardo? NOVA meets a new breed of experts who are approaching “cold case” art mysteries as if they were crime scenes, determined to discover “who committed the art,” and follows art sleuths as they deploy new techniques to combat the multi-billion dollar criminal market in stolen and fraudulent art.

Bacteria was detected in the water supply of the Mount Laguna Recreation Area plumbing system, prompting the county of San Diego to issue an order to boil the water until further notice.

The California Attorney General and the Sierra Club have joined a lawsuit against a regional transportation plan approved by the San Diego Association of Governments.

Part of the massive Tongass National Forest, Admiralty Island in southeast Alaska supports the largest concentration of bears anywhere in the world. Sustained by a wealth of salmon streams, isolated and protected by their environment, some 1,700 Alaskan brown bears are part of a unique circle of life that has played out here for centuries. "Fortress Of The Bears" enters a world shaped by bears, trees, and salmon, and explores the delicate balance of their interconnected lives.

The California Supreme Court will review how medical marijuana dispensaries are regulated in the state. Medical marijuana advocates are praising the decision to consider the conflict between state and federal laws. We'll talk about the decision and what it means for dispensaries and medical marijuana users in San Diego County.

Born around 1820, Geronimo grew into a leading warrior and healer of the Chiricahua. But after his tribe was relocated to an Arizona reservation in 1872, he became a focus of the fury of terrified white settlers and of the growing tensions that divided Apaches struggling to survive under almost unendurable pressures. At a time when surrender to the reservation and acceptance of the white man's civilization seemed to be the Indians' only realistic options, Geronimo and his tiny band of Chiricahuas fought on. The final holdouts, they became the last Native-American fighting force to capitulate formally to the government of the United States.

The San Diego Black Film Festival will launch its 10th season this Thursday at Reading Gaslamp Stadium Theaters.

A Marine accused of killing unarmed Iraqi women and children, who pleaded guilty to dereliction of duty on Monday, will not serve time behind bars, a judge ruled today. The sentencing ends the largest and longest-running criminal case against U.S. troops to emerge from the Iraq War.

The Supreme Court has blocked a California law that would require euthanizing downed livestock at federally inspected slaughterhouses to keep the meat out of the nation's food system.

The old U.S.-Mexico border fence near San Diego was going to be sold for scrap. But local activists managed to save some of it and have plans to recycle it.

The European Union formally adopted an oil embargo against Iran on Monday and froze the assets of Iran's central bank, part of sanctions to pressure Tehran into resuming talks on its controversial nuclear program.

Three out of four uninsured Americans live in states that have yet to figure out how to deliver on its promise of affordable medical care.

In the race for the Republican presidential nomination, the tally stands at 1-1-1. Over the weekend, former House speaker Newt Gingrich re-established himself as a presidential contender with a resounding victory in South Carolina's primary.

In its first major foray outside of San Diego, UC San Diego is buying the bankrupt Nevada Cancer Institute in Las Vegas for $18 million, it was reported today.

Wet and windy winter weather is expected to return to San Diego County today as another fast-moving Pacific low pressure system moves inland.

A citizen's watchdog group wants regulators to hold public hearings on San Diego Gas & Electric's request for customers to foot the bill for wildfire costs that its insurance companies won't cover.

State funding for scientific research at San Diego State University and at UCSD and other California universities has plunged 30 percent in the last eight years

A pair of films with San Diego connections had premieres at Sundance on Friday. I checked in with the filmmakers to find out how their screenings went.