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The sharks take bite out of the East Coast when the sharknado hits Washington, D.C. and Orlando, Florida.

A featurette detailing NASA's plans for putting humans on Mars over the next twenty or thirty years, featuring interviews with several NASA staffers.

The life of Star Trek's Mr. Spock — as well as that of Leonard Nimoy, the actor who played Mr. Spock for almost fifty years —written and...

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

In celebration of Star Trek's 50th anniversary, this two-hour documentary explores this enduring franchise by offering viewers an unprecedented,...

Fifty years after the original Star Trek first arrived on television, is there anything about Gene Roddenberry's space opera that hasn't been...

It's not her first talk show, but it is a first of its kind. Ideas, people and places that fascinate her, all in her unique style.

Across continents and decades, five brilliant friends make earth-shattering discoveries as the laws of science unravel and an existential threat...