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.

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.

Two endangered Hawaiian hawks were found wounded on the Big Island after apparently being shot with a pellet gun, and federal wildlife officials want to know who is responsible.

Researchers have detected swine flu in elephant seals off the Central California coast, saying it was the first time a human pandemic strain has been found in marine mammals.

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.

An impromptu spacewalk over the weekend seems to have fixed a big ammonia leak at the International Space Station, NASA said Thursday.

As the guitarist strums and softly sings a lullaby in Spanish, tiny Augustin Morales stops squirming in his hospital crib and closes his eyes.

Angelina Jolie's mother had breast cancer and died of ovarian cancer, and her maternal grandmother also had ovarian cancer - strong evidence of an inherited, genetic risk that led the actress to have both of her healthy breasts removed to try to avoid the same fate, her doctor said Wednesday.

A new GPS satellite has been launched into space.

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.

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

In the new psychiatric manual of mental disorders, grief soon after a loved one's death can be considered major depression. Extreme childhood temper tantrums get a fancy name. And certain "senior moments" are called "mild neurocognitive disorder."

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.

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

A tiny new camera developed at an Illinois university is giving researchers a bug's eye view.