The National Marine Fisheries Service announced Thursday it will consider listing a population of harbor seals that live in a freshwater Alaska lake as a threatened or endangered species, a decision that could affect the massive Pebble Mine development project.

Officials in Washington state took their first stab at setting rules for the state's new marijuana industry Thursday, nearly eight months after voters here legalized pot for adults.

It's one thing to legalize marijuana. It's another to figure out how to sell it, grow it, regulate it, test it and tax it.

NASA's planet-hunting Kepler telescope is broken, potentially jeopardizing the search for other worlds where life could exist outside our solar system.

Scientists have finally recovered stem cells from cloned human embryos, a longstanding goal that could lead to new treatments for such illnesses as Parkinson's disease and diabetes.

President Barack Obama is planning a mental health conference next month in response to gun violence.

In a story May 15 about a new SARS-like virus spreading from patients to health care workers in Saudi Arabia, The Associated Press reported erroneously the location of the 20 deaths attributed to the virus. There have been no deaths reported in France and Qatar, only in Saudi Arabia, Jordan, Germany and Britain.

When Liz DeRouen needs any kind of health care services, from diabetes counseling to a dental cleaning, she checks into a government-funded clinic in Northern California's wine country that covers all her medical needs.

In a story May 15 about astronauts at the International Space Station getting the new "Star Trek" movie, The Associated Press reported erroneously when the film opened on Earth. "Star Trek into Darkness" opened in the United States on Thursday; it opened in some other countries earlier in May.

A new GPS satellite has been launched into space.