Philadelphia enforces a strict curfew in response to flash mobs organized by young people on social media to commit acts of violence.
Virus turns T cells into tumor-seeking missiles, and could be the key to curing some cancers.
Over 148 million acres of farmland in Africa have been purchased by Western hedge funds in the last three years.
If the word 'awesome' has lost its awesomeness, author Arthur Plotnik has a list of new superlatives to help you express yourself.
Aaron Swartz faces the possibility of 35 years in prison and $1 million in fines for hacking into and downloading four million academic journal articles.
The stars and writer-director Tate Taylor discuss their film about black maids in 1960s segregated Mississippi.
Thousands of additional police will be on the streets of London Tuesday night as riots engulfed many of London's neighborhoods.
With every major stock index in Europe and the US down at mid-day, President Obama went on air to assure the world, 'our credit is triple-A.'
Experts believe the Google Science Fair's outcome is a good omen for the future of women in STEM fields.
Newspapers and other media organizations are looking to make up for advertising shortfall by publishing e-books.