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NOVA

Asteroids: Spark of Life?

Season 53 Episode 1 | 53m 31s

What if asteroids, long feared as destroyers of life, were key to our existence? Explore a revolutionary theory that these violent collisions provided the essential ingredients – water, minerals, and energy – needed to jumpstart life on Earth.

Aired: 01/20/26 | Expires: 02/18/26
National Corporate funding for NOVA is provided by Carlisle Companies and Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.
Extras
Watch • 0:30
Antiques Roadshow
Preview: 250 Years of Americana
Preview: 250 Years of Americana
Preview: S30 E22 | 0:30
Watch • 3:42
Antiques Roadshow
Appraisal: 1960 Ansel Adams Portfolio III: Yosemite Valley
Appraisal: 1960 Ansel Adams Portfolio III: Yosemite Valley
Clip: S30 E14 | 3:42
Watch • 2:47
Antiques Roadshow
Appraisal: Persian Qashqai Gabbeh Rug, ca. 1935
Appraisal: Persian Qashqai Gabbeh Rug, ca. 1935
Clip: S30 E14 | 2:47
Watch • 4:01
Antiques Roadshow
Appraisal: 1963 Jerome Tiger "Trail of Tears" Paintings
Appraisal: 1963 Jerome Tiger "Trail of Tears" Paintings
Clip: S30 E14 | 4:01
Watch • 3:31
Antiques Roadshow
Appraisal: 1986 Pleasant Co. Molly Doll in Original Clothes
Appraisal: 1986 Pleasant Co. Molly Doll in Original Clothes
Clip: S30 E14 | 3:31
Watch • 2:02
Antiques Roadshow
Appraisal: 1972 Victor Vasarely Bas-relief
Appraisal: 1972 Victor Vasarely Bas-relief
Clip: S30 E14 | 2:02
Watch • 1:52
Antiques Roadshow
Appraisal: 1978 Kenner Star Wars Bell Store Display Sign
Appraisal: 1978 Kenner Star Wars Bell Store Display Sign
Clip: S30 E14 | 1:52
Watch • 2:31
Antiques Roadshow
Appraisal: Papal States Micromosaic Jewelry, ca. 1845
Appraisal: Papal States Micromosaic Jewelry, ca. 1845
Clip: S30 E14 | 2:31
Watch • 3:11
Antiques Roadshow
Appraisal: 1927 Spirit of St. Louis-flown & Inscribed $1 Silver Certificate
Appraisal: 1927 Spirit of St. Louis-flown & Inscribed $1 Silver Certificate
Clip: S30 E14 | 3:11
Watch • 2:26
Antiques Roadshow
Appraisal: Harold Newton Oil on Fiberboard, ca. 1975
Appraisal: Harold Newton Oil on Fiberboard, ca. 1975
Clip: S30 E14 | 2:26
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