President Barack Obama
Vigils held for Orlando shooting victims
Vigils have been held in Orlando, Florida, and around the world for the victims of Sunday's deadly gun attack on a gay nightclub.
Fight against IS dominates as world leaders meet in Turkey
Barack Obama and other world leaders arrive in Turkey on Sunday for a summit after attacks in Paris pushed the fight against IS to the top of the agenda.
Paris attacks may lead to US military anti-IS escalation
Paris attacks seem likely to compel President Obama to consider military escalation against IS in Iraq and Syria. But that probably will not mean dramatic moves like launching US or international...
Obama welcomes trick-or-treaters at Halloween event
The White House welcomed flocks of costumed children to its annual Halloween event where President Barack Obama and his wife, Michelle, gave out candy and fruit bars.
US investigates Afghan hospital bombing
President Barack Obama says the US has launched a "full investigation" into air strikes that killed 19 people at an MSF-run Afghan hospital.
Obama to unveil 'biggest step ever' in climate fight
US President Barack Obama to unveil what he called the "biggest, most important step we've ever taken" to fight climate change on Monday.
Obama orders world's fastest computer
President Barack Obama signs an executive order calling for the US to build the world's fastest computer by 2025.
US 'intensifying' anti-IS campaign
The US-led coalition fighting the Islamic State group is "intensifying" its campaign in northern Syria, President Barack Obama says.
US raises cyber concerns with China
President Barack Obama has raised continuing US concerns over China's cyber activities, as two days of talks between the two nations came to an end.
Why Europe Backs Obama on Iran
ISRAELI Prime Minister Benjamin Netanyahu seems close to ordering a general mobilization of his country's military, and Republicans in the United States are preparing for a ferocious battle...
Hackers target infrastructure in Americas
Hacking attacks that destroy rather than steal data or that manipulate equipment are far more prevalent than widely believed.