If solvedopen · If Solved (becomes possible)

Proof of life beyond Earth

An accepted detection of life, even microbes, on another world would show that life is not unique to Earth.

It could come from Mars samples, an icy-moon plume, a biosignature on an exoplanet or a radio signal. Any claim would need confirmation by independent teams and instruments.

What it brings

Evidence that life arose more than once
A second example of biology to compare with Earth's
Guidance on where to search next
A major shift in science and culture

Prerequisites

Finding extraterrestrial lifeopen

Proof of life beyond Earth

What it brings

Prerequisites

More in Space & Astronomy · If Solved