BARACK OBAMA

Republican presidential candidate Donald Trump, who does not believe climate change is real, took to Twitter Sunday to criticize President Obama's stance on climate leadership.

President Barack Obama said Hillary Clinton should have been more sensitive to how she handled private information but her private email server did not threaten national security.

President Barack Obama said the U.S. would try to use diplomatic channels to work with Iran and Russia to pressure Syrian President Bashar Assad for a “transition.”

Republican presidential front-runner Donald Trump had harsh words for German Chancellor Angela Merkel's commitment to take in hundreds of thousands of refugees.

A terror attack that left at least 95 dead, occurring less than three weeks before decisive snap elections, threw hopes of peace into doubt.

Take notes. Here’s how the president fused the impasse over the speaker of the House with humor and Kanye West’s political ambitions to fire up a fundraiser.

The U.S. will pay "civilian noncombatants injured and the families of civilian noncombatants killed" in the bombing of a Doctors Without Borders hospital in Afghanistan.

A White House representative echoed remarks made by the FBI director, who said this week the administration would not seek a bill allowing it to crack into encrypted information.

"The lawyers are working right now to finalize the text and to prepare it for release," U.S. Trade Representative Michael Froman says in the wake of a related release by WikiLeaks.

As China completes lighthouses on disputed islands in the South China Sea, it warns the U.S. against sending its naval vessels into the area.

A U.S. congressional commission's criticism of China's human rights record did not "accord with the facts", the Chinese government said on Friday, the latest friction over a long-running thorn in relations.

Russia's airstrikes in support of Syrian President Assad are pushing the Obama administration to dial back its support of the rebels.

Signs declaring "Obama is wrong" and "Nothing Trumps Our Liberty" greeted the president in Roseburg.

Robert Califf has been paid for consulting work by big pharmaceutical firms, according to reports.

The Texas Southern University shooting follows two others as President Obama heads to Roseburg, Oregon, to visit Umpqua victims' families.

Calls for an investigation into the bombing of the Doctors Without Borders hospital might also have the effect of boosting monetary support for the group, experts said.

The GOP presidential candidate hasn't shied away from blunt -- and polarizing -- comments about guns and gun control.

Steven Jones was taken into custody at Northern Arizona University after the student gunned down one person and wounded three others on the northeast end of the Flagstaff campus.

President Barack Obama may be greeted by gun rights protesters when he visits Roseburg, Oregon, Friday to comfort survivors of last week's mass shooting.

WikiLeaks claims to have the final negotiated text of the Obama administration's Trans-Pacific Partnership that covers intellectual property rights.

As Russia continues its airstrikes in Syria, U.S. ally Saudi Arabia has several options for leverage against Moscow.