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Stories by Caleb A. Scharf

The Real Expanse

Human colonization of space would be terrifyingly hard, and that's the best thing about it

March 16, 2017 — Caleb A. Scharf

Tiny, Tiny TRAPPIST-1

The 7-planet system of TRAPPIST-1 is remarkable in many ways, including its size

February 26, 2017 — Caleb A. Scharf

Why I Love AI

Artificial Intelligence has the potential to show us new ways to think about the natural world

February 21, 2017 — Caleb A. Scharf

NASA's 50 Years of Mars Exploration [Video]

Humans have been visiting and exploring Mars for more than half a century, and NASA has released a video celebrating the agency's remarkable contributions

January 9, 2017 — Caleb A. Scharf

Earthrise Renewed

Forty-eight years ago human eyes first witnessed Earth rising over the moon; today we can all see it in high-definition

December 23, 2016 — Caleb A. Scharf

Spawning Stars

An extraordinary new image shows a protostellar disk fragmenting into multiple stars

November 22, 2016 — Caleb A. Scharf

Gifts for Mom

Mother’s Day is Around the Corner