This feature story details Lisa Kaltenegger and Jack O'Malley-James' research to find signs of plant life on other worlds.
“We really should look at our planet like a Rosetta Stone,” says Lisa Kaltenegger, the director of the Carl Sagan Institute at Cornell. “We are on the verge of figuring this out, and we need archival data on our planet to be able to spot it somewhere else.”
