Despite pledging to end “endless wars,” Trump’s second term has seen U.S. military operations across the world.

Obama has warned that several Republican states have redrawn their congressional maps to give themselves an "unfair advantage ...

National security experts dispute President Donald Trump’s claims about Obama’s 2015 nuclear deal with Iran. President Donald ...

Trump’s persona depends on the perception that he’s mastered “The Art of the Deal” His war on Iran proves otherwise.

Years before Trump was even in the White House, he repeatedly predicted that his predecessor, former President Barack Obama, ...

Every time Barack Obama trends, Donald Trump somehow isn’t far behind. The rivalry may be unofficial, but the reactions rarely feel accidental. Just as Trump, […] ...

At least two of Trump’s past tweets during Obama’s administration have now gone viral amid the massive attack by the U.S. and ...

"He gave classified information, he's not supposed to be doing that," Trump told reporters Feb. 19 in discussing Obama's ...

The White House criticized "fake outrage" over Trump's post of former President Barack Obama and Michelle Obama before later removing the post.

Nancy Pelosi defended Obama's Libya strikes without congressional approval in 2011, but now is condemning Trump's Iran ...

In an interview, former president Barack Obama stirred the pot with some statements about extraterrestrials. Here's what he said.