Right here in our solar system, three small ocean-containing moons are intriguing researchers, who think they might just harbor the conditions for existence to begin. Draw a Venn diagram with two overlapping circles, label one “oceans” and the other “planetary moons,” and look at where the two spheres intersect -- that’s where our search for al...

Teen reporters Sadie Cruz and Nia Ashley conducted lots of interviews with speakers at the TEDYouth conference on November 17. Their Q&As will run on the TED Blog over the next few weeks. Below, an interview conducted by Nia. The Flight Director of the Mars Curiosity Mission, Bobak Ferdowsi, is best known for landing a two-ton rover o...

On July 20, 1969, Neil Armstrong became the first human to walk on the moon. Moon Day is held every July 20 to commemorate this momentous feat. 43 years later, humanity is still looking to the sky, mesmerized by lunar bodies. However, it is not just Earth’s moon we’re studying anymore. With better satellites and spacecrafts we know more about th...

Please enjoy your weekly roundup of TED-related news: Good luck and farewell to the Cassini spacecraft. Launched 20 years ago, NASA’s Cassini spacecraft will begin its final mission on April 26.  The spacecraft will embark on a series of 22 dives through the space between Saturn and its rings, transmitting data that may help us understand...

There are continents to explore right below our feet -- including two giant blobs 100 times as tall as Everest. Here's how seismologist and geophysicist Ed Garnero is studying this unseen and largely uncharted territory. For most people, everything they know about the composition of the Earth is what they were taught in elementary school: that ...

Thomas Peschak takes stunning, up-close pictures of starfish, sharks and whales. His goal? To make us fall in love with them. A surfing seal. A pair of turtles, necking. A curious fish. Thomas Peschak doesn’t just show us creatures that live in the ocean; his photos capture their personality. “If you want people to care about a species or a ...

Photographer Tomm Christiansen has spent months documenting everyday life for inhabitants of "The Jungle" refugee camp in Calais. By September 2015, some 5,000 people were living in a sprawling encampment just outside the French port city of Calais. The camp is in essence a dead-end for migrants who have traversed continental Europe, hoping to ...