caleb scharf

On the origin of an interstellar species.

On the red planet, existential threats abound.

Life on Earth is a sketchy guide to intelligent life in the cosmos.

Does the data we produce serve us, or vice versa?

The problem with C.P. Snow’s famous two-cultures hypothesis.

Meet the inspiring people—none named Einstein—who helped these scientists find their calling.

Meet the inspiring people—none named Einstein—who helped these scientists find their calling.

Alien life could be so advanced it becomes indistinguishable from physics.

Our own oasis of life in the cosmos is blue, but will others be?

It’s true that we haven’t seen alien life, but neither have we seen much of the universe.