Orcas are at the top of the food chain, but it is unprecedented that they would go after a great white shark. From the boat, whale watchers and experts alike are shocked by what they see.

Actors Neil Patrick Harris and Cobie Smulders sit down with Entertainment Weekly to talk about the relationship between their characters Barney and Robin on the show How I Met Your Mother.

In this episode of SciShow Kids, Jessi talks about how solar eclipses occur, and why they can only be seen from certain locations.

Seattle artist Matt Sellars shows off the Clovis Point, a skateboard of his own design. Check out a few scenes from its construction and test drive!

David and Ben Crystal explain why Shakespeare verses read with Original Pronunciation convey very different emotions and open up another level of understanding.

Theresa May gives her first speech as Britain's new prime minister, outlining her priorities for the UK with a focus on domestic issues.

"You're a fishmonger!" By taking a closer look at Shakespeare's words, and particularly his insults, we can see why he is known as a master playwright whose works appeal to audiences all over the world.

Selena Gomez tells us the stories behind her most talked about Instagram photos.

Dana explains everything you wanted to know about community college, as well as how difficult it is to switch majors once you've started. Your remaining questions about universities in the United States will surely be answered, and make sure you stick around for the blooper reel at the end!

Several boats converge near the largest of the Farallon Islands when killer whales are spotted. But what they think is a young killer whale turns out to be a great white shark.

Prime Minister David Cameron will step down by October after the UK voted to leave the European Union. Mr. Cameron made the announcement in a statement outside Downing Street, in which he said he will attempt to "steady the ship" over the coming weeks and months, but that "fresh leadership" is needed.

Travel + Leisure editor Sarah Spagnolo takes us to hotels, new restaurants, and beautiful beaches of Santa Barbara, California.

The great white shark and killer whale are both infamous marine predators. Normally they leave each other alone, but one day, biologists off the cost of California witness something unprecedented.

Is there a difference between college and university in the United States? What about high school? All that and more is explained in this video!

Over the course of human history, thousands of languages have developed from what was once a much smaller number. How did we end up with so many? And how do we keep track of them all? Alex Gendler explains how linguists group languages into language families, demonstrating how these linguistic trees give us crucial insights into the past.