Mar 23

U.S.-backed Syrian force declares victory over Islamic State

U.S.-backed forces declared military victory over the Islamic State group in Syria on Saturday after liberating the last pocket of territory held by the militants, marking the end of a brutal self-styled caliphate the group carved out in large parts…

Mar 17

Watch 5:55
Uncovering the history of Earth’s climate

To understand the history of climate change, researchers are digging underneath the ocean floor where organisms and plants have accumulated in sediment over millennia. Maureen Raymo studies this science of paleoclimatology using a vast collection of materials at Columbia University’s…

Mar 17

AP fact check: O’Rourke on climate, Trump on ‘no collusion’

Judge Amy Berman Jackson, while sentencing Trump's former campaign chairman Paul Manafort, reminded her courtroom — and indirectly the president — that Manafort’s trial was unrelated to questions of collusion with Russia. “Court is one of those places where facts…

The Latest