While it may not be simple or easy, these fascinating talks make aerospace engineering a little more accessible to the average person.

Travel across the universe (or is it universes?) to see stunning images of Saturn's rings, hear haunting sounds from distant black holes and catch an infectious sense of wonder about galaxies far, far away.

For those times when living a life far beyond our planet looks a little too appealing.

Beyond our galaxy, there is much more to be discovered. Learn how we explore the universe with talks that are definitely out of this world.

Learn all the hubbub going on with the big Red Planet in these insightful and utterly fascinating talks.

Find out what sound a black hole makes, if (possible) alien life is blocking starlight and other astounding things happening in our galaxy -- and beyond.

Quench your thirst for adventure with these breathtakingly bold talks that explore the Earth’s most spectacular corners, depths and peaks.

Join us in looking back at some of the most awe-inspiring things ever seen on the TED stage.

Dear science, where would we be without you? Enjoy these enthralling talks dedicated to the fun, funky and fascinating scientific world.

Ski to the North Pole. Row across the Pacific. Swim on Mt. Everest(!). These adventurers have pushed themselves to the limits of human endurance, and in these talks they share what they've learned about themselves and the planet.