Already a WKAR member? You may have an unactivated WKAR Passport member benefit. Check to see.
An Interview with Sally Ride
Watch an uncut interview with the late astronaut, conducted at NASA in 1984.
Aired: 07/23/12
An Interview with Sally Ride
Scientists discover evidence for the key ingredients for life on Saturn's moon Enceladus.
Early Earth Bombarded By Comets
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
Finding Life Beyond Earth Preview
Airs Wednesday, August 20, 2014 at 9:00 p.m. ET/PT. Check your local listings.
NASA is sending a robotic rover called "Curiosity" to find out if there is life on Mars.
The Fabric of the Cosmos: Universe or Multiverse?
Is our universe unique, or could it be just one in an endless "multiverse"?
The Fabric of the Cosmos: Quantum Leap
Take a wild ride into the quantum realm, where even the impossible seems possible.
The Fabric of the Cosmos: The Illusion of Time
It defines our lives, but what is time really? Have a look into its true nature.
The Fabric of the Cosmos: What Is Space?
Surprising clues indicate that space is very much something and not nothing.
An investigation of a 5,000-year-old mummy reconstructs his death and way of life.
We are on the verge of answering one of the greatest questions in history: Are we alone?
An account and investigation of the epic earthquake, tsunami, and nuclear crisis.
