The Wonder of It All

On December 7, 1972, NASA launched Apollo 17, a lunar mission crewed by Eugene Cernan, Ronald Evans and Harrison Schmitt. It would be the last time hu...

Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the worl...

The Hubble Space Telescope has spent more than 30 years scrutinizing the cosmos in an attempt to unravel the secrets of the Universe and go as close a...

In this video, you can hear their stories in their own words. David Hartman hosts a Salute to the Apollo Program featuring astronauts Walt Cunningham,...

To celebrate the 30th anniversary of its launch, this film tells the remarkable story of how Hubble revealed the awe and wonder of our universe and ho...

450 kilometers from the Earth, during these six months when the world seems to be moving into the unknown, a dialogue is woven between the astronaut a...

Our enigmatic moon may have a sinister origin that mankind is not prepared for. From astronaut UFO encounters, to flashing lights, to geometric anomal...

A French documentary or, one might say more accurately, a mockumentary, by director William Karel which originally aired on Arte in 2002 with the titl...

50 years after launching our dreams into space, we’re left with a troubling legacy: a growing ring of orbiting debris that threatens the safety of ear...

Luca Parmitano is the first italian astronaut to perform an extravehicular activity, currently part of the crew engaged in the Expedition 61 mission o...

Venture into deep space for a fascinating look at asteroids, their cosmic origins and the potential threat they pose to our world. Written and produce...

After decades of amazing discoveries, spacecraft Cassini embarks on its final - and most daring - mission: a dive below Saturn's rings.

Follow astronaut Scott Kelly's 12-month mission on the International Space Station, from launch to landing, as NASA charts the effects of long-duratio...

A look at the Apollo 11 mission to land on the moon led by commander Neil Armstrong and pilot Buzz Aldrin.