Obama bestows national medals for science, tech
President Barack Obama is honoring 12 researchers and 11 inventors with the nation's top award for invention and discovery.
President Barack Obama is honoring 12 researchers and 11 inventors with the nation's top award for invention and discovery.
With somber ceremonies, the United States on Friday commemorated the loss of the space shuttle Columbia and its seven-member crew on the tenth anniversary of the disaster.
It took two days longer than expected, but Justin Bieber succeeded Tuesday in overtaking fellow pop idol Lady Gaga as the most followed person on Twitter.
The controversial Keystone pipeline passed another hurdle Tuesday after the governor of Nebraska approved a new route that will avoid environmentally sensitive areas like the state's Sand Hills.
UN leader Ban Ki-moon said Tuesday he will press world leaders to agree a binding deal against climate warming by 2015.
(AP)—Environmental groups say President Barack Obama's warning about climate change will soon be tested as he decides whether to approve the Keystone XL oil pipeline from Canada to the Gulf Coast.
The Newtown school massacre in December brought renewed attention in the United States and around the world to the issue of gun control and led President Barack Obama to propose a wide-ranging plan to curb gun violence.
The Library of Congress, repository of the world's largest collection of books, has set for itself the enormous task of archiving something less weighty and far more ephemeral—Americans' billions of tweets.
Climate change was thrust to the forefront of the US political agenda recently in the wake of the devastation caused by superstorm Sandy and record high temperatures across the country.
Michelle Obama's office said Thursday it had opened a Twitter account, as the US first lady turned 49.
Despite experiencing a post-Columbine world, 60 percent of high school and college students are considering owning a gun in the future, according to a national poll.
The National Rifle Association, which blames video games in part for mass shootings, triggered controversy Tuesday after coming out with its own video game for iPhones and iPads.
Organizers unveiled the first-ever smartphone app for a US presidential inauguration on Monday, allowing users to track Barack Obama's swearing in, sign up for events and check maps for the closest toilets.
With the US national debt standing at more than $16 trillion, the White House says it absolutely cannot spend $850 quadrillion on a "Star Wars"-inspired "Death Star" super-weapon.
(AP)—The video game industry, blamed by some for fostering a culture of violence, defended its practices at a White House meeting exploring how to prevent horrific shootings like the recent Connecticut ...