Join Steve Backshall in uncharted territory to uncover the world’s last unknown places.
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NOVANOVA Wonders Are We Alone?
Can We Use Pollution to Find Aliens?
The hunt for pollution in other planets’ atmospheres may determine whether we are alone.
Clip: S45 Ep103 | 2m 16s
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Are We Alone? Preview
Hunt for clues in the universes to answer one of humanity’s biggest questions.
Preview: S45 Ep103 | 28s
Profile: Jason Kalirai
Astrophysicist Jason Kalirai observes stars and searches for habitable planets.
Clip: S45 Ep103 | 6m 39s
The Mystery of Tabby’s Star
Tabby’s star flickers erratically and no one knows why—could it be an alien megastructure?
Clip: S45 Ep103 | 3m 18s
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