Climate Change Videos
Donald Trump Considers Himself the 'Presumptive Nominee'
The GOP front-runner spoke to supporters and took questions after projections had him sweeping five primaries.
Bernie Sanders Rails Against Income Inequality in Rural America
The presidential candidate spoke in Huntington, W.Va., on the evening of five Northeast primaries.
Hillary Clinton Celebrates PA Primary Win in Philadelphia
The Democratic candidate hopes to return to Philadelphia for the convention in July as the party's nominee.
Sanders 'Can't Snap' Fingers and Tell Supporters to Back Clinton if Nominee
The Democratic candidate for president joins "This Week" ahead of high stakes primaries in five states Tuesday.
John Kerry Signs Paris Agreement With Granddaughter on Lap
The secretary of state signed the international climate change agreement on Earth Day.
Donald Trump Takes-on Bernie Sanders Meeting With Pope Francis
The GOP front-runner comments on the five minutes that the Vermont senator had to meet the pontiff.
Bernie Sanders Describes Pope Francis' 'Radiance' After Vatican Meeting
Sanders and the pontiff discussed foreign policy and climate change during a meeting in Rome.
Bernie Sanders 'Enormously Impressed' by Pope Francis
The Democratic presidential candidate speaks with reporters during his trip to the Vatican.
Coffee Drip Printer Creates Portraits
Ted Kinsman at Rochester Institute of Technology School of Photographic Arts & Science created a printer that uses small drops of coffee to create portraits.
Inside the White House Science Fair
I mean he's he's coming up arsenal in the White House blue room where the White House science there is a Obama's sixth and final science fair here at the White House it's a pet projects and money is what he called his feet activities. You can see we are surrounded biology is really cool. Projects