Rachel Maddow reports breaking news that South Korean officials believe that a detected seismic event does not have a natural cause but rather is the result of an underground nuclear test by North Korea. » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc About: MSNBC is the premier destination for in-depth analysis of daily …

NASA just successfully launched its OSIRIS-REx spacecraft on an Atlas V rocket. Now, the vehicle is on its way to scoop up pieces of an asteroid and bring them back to Earth, a journey that will take seven years to complete. But if successful, those asteroid pieces could tell researchers …

Subscribe! http://bitly.com/1iLOHml As the Cold War began to heat up, the Soviet Union & U.S. conducted secret nuclear tests. So what were the forgotten sites of the atomic age? Learn More: Radio Free Europe/Radio Liberty: Slow Death In Kazakhstan’s Land Of Nuclear Tests http://www.rferl.org/content/soviet_nuclear_testing_semipalatinsk_20th_anniversary/24311518.html White House: Fact Sheet: History of …

The endangered jaguars of Mexico face many threats, including habitat loss and illegal hunting. To further protect them, a group of conservationists and scientists established a private natural reserve in Mexico called El Eden. Using camera-trap technology since 2005, they have captured over 2,500 photographs of jaguars and their prey. …

Ariana Grande chats with Jimmy about incorporating spinning in her MTV Video Music Award performance, her next tour and joining NBC’s Hairspray Live! cast as Penny Pingleton. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: …

Ariana Grande and Jimmy swap Stevie Wonder stories after Ariana details her experience recording “Faith” with the legendary musician. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Get more …

The Roman Empire was one of the largest and most influential civilizations that ever existed. But what if somehow in today’s current global age, the Empire was recreated to its exact ancient borders? What would the country look like today in the 21st century, and how would it compare to …

Russell Westbrook and Jimmy compete in a football toss with random objects, including a giant gummy worm and two Furbies glued together. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: …

Jimmy and Ariana Grande take turns drawing questions from the best friends box and guessing each other’s answers. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Get more The …

On the 50th anniversary of Star Trek’s premiere, the legendary actor recalls his first day on set and the mission statement creator Gene Roddenberry shared with the cast. Subscribe To “The Late Show” Channel HERE: http://bit.ly/ColbertYouTube For more content from “The Late Show with Stephen Colbert”, click HERE: http://bit.ly/1AKISnR Watch …