Authorities in Santa Monica, California, fatally shot a mountain lion Tuesday, acting on public safety concerns after it tried to escape from an office building courtyard in the city.

It will cover 2.8 million square feet and have its own power plant inside its massive, gleaming circular design.

Catherine Crump says the poorly understood relationship between cellphone companies and police raises grave privacy concerns

Two men accused of murdering an Irish teacher on her honeymoon last year pleaded not guilty when they appeared in court in Mauritius on Tuesday, police on the Indian Ocean island said.

A passenger who said she had a surgically implanted device inside her prompted a security scare that led to the diversion of a North Carolina-bound jet, officials said.

Calling the students an inspiration "to me ... the world," President Barack Obama urged Joplin High School graduates Monday to heed the lessons they've learned and spirit they've shown to rebuild not only their tornado-ravaged city, but their nation.