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The Homeland Security Department has said its beefed up enforcement at the Mexican border has led to fewer illegal crossings. But a new study is questioning that.

Recent polls on the San Diego mayor’s race are all over the map. But a local professor says you should take the results with a grain of salt.

Airs Saturday, February 16, 2013 at 2 p.m. on KPBS TV

It's been a great year for high-profile comics creators, producing landmark works destined for many "Best Comics of 2012" lists. But what about the lesser-known artists and their work? Glen Weldon points to outstanding works that haven't gotten the attention they deserve.

For Valentine's Day, maybe you'll post a photo of your loved one on Facebook, tweet out a love poem or text-message your secret crush. But as we make those virtual connections, are we missing something?

This is no old-fashioned science fair. The “Quick Pitch” competition is a fast-paced, high-tech, high-stakes investment competition for a variety of new products, drugs and websites.

More than 200 manatees have died in Florida's waterways since January from an algae bloom called red tide, just as wildlife officials try to remove the marine mammal from the endangered species list.

Deadly microbes like Salmonella and E. coli can lurk on the surface of spinach, lettuce and other fresh foods. But many more benign microbes also flourish there, living lives of quiet obscurity, much like the tiny Whos in Dr. Seuss's Whoville. Until now.

As Mexico's drug cartels fight for dominance, reporters have fallen victim to physical threats, even murder. In the last six years, at least 67 Mexican journalists were killed, making them among the most targeted reporters in the world.

A San Diego State University engineering professor working to make large-scale solar energy generation more efficient was awarded a $3.9 million federal grant, the school announced today.