Napa State Hospital in California added safeguards to protect workers after a psychiatric technician was murdered in 2010. But violence remains a part of daily life at the facility.
Kids in America's schools are eating more local food, although it makes up only a small part of the average meal. Advocates say local food doesn't have to cost more, but buying it does take more time.
Wildlife photographer Gerrit Vyn and essayist Scott Weidensaul share bird calls and discuss some of the remarkable abilities of birds. Both men contributed to a new book about North American birds.
For years, it's been saying women should get annual mammograms starting at age 40. Now it says they can start at 45 — and then cut back to every other year starting at age 54.
Humans are pathetic at athletic feats compared to animals. We get outrun by ostriches and outswum by penguins. But human physiology makes us aces at one sport: endurance running. Sorry, horse.
After Ahmed Mohamed was arrested, he received thousands of messages of support – including one from President Obama, who tweeted, "Cool clock, Ahmed. Want to bring it to the White House?"
Who's going to be more empathetic to a problem you're confronting — someone who has never been through it, or someone who has been through it themselves? Our intuitive answer to this question is often wrong.
Animal advocates were outraged after discovering videos of leashed monkeys working as coconut pickers. But monkey trainers and scientists say it's common practice, and doesn't count as abuse.
In parched California, water managers and emergency management officials are preparing to move from one extreme to another with predictions of a "too big to fail" El Niño winter ahead.
A yellow-bellied sea snake washed ashore in Ventura County, Calif., Friday. It's the first reported sighting of the species in Southern California since 1983. Now it's joining the collection at the Natural History Museum of Los Angeles County.
The photos come from a camera on a satellite, once called "Goresate" after former Vice President Al Gore who initially proposed the project in the late 1990s.
Brain scans found abnormally weak connections in the brains of premature infants may make them more prone to develop autism, attention deficit hyperactivity disorder and other emotional disorders.
Many families must sign a binding arbitration agreement when a loved one is admitted to a nursing home, pledging not to sue if something goes wrong. But proposed rules would ban that requirement.
Proceeds go to the Western National Parks Association, which hopes the naming rights will "break the stigma against the moth."
A nuclear agreement with Iran hinges on the work of nuclear inspectors. Here's a close-up look at how they train to do their job.
Should artificial intelligence mimic human behavior? The executive in charge of developing future generations of IBM's Watson tackles that and other questions about the limits and powers of AI.
The "chemical hearth," dating back to the 1820s, was unearthed by workers doing renovations on the Rotunda at the University of Virginia. It is thought to be one of very few such labs still surviving.
Renowned astronomer Geoffrey Marcy resigned Wednesday after it became public that he sexually harassed students for years. Researchers are asking why so little is done to stop harassment in science.
A new study shows people living in hunter-gatherer societies don't get any more sleep than people in the more modern world, despite living without TVs, computers, cell phones and other electronic distractions.
When a probe skimmed past the dwarf planet in July, researchers expected to see a cold, dead world. New results published today show that Pluto is an active place.