The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers try to sketch where alien societies might arise, thrive and vanish inside ...

Embark on an imaginary voyage across the Milky Way to explore the wildest and most exotic alien worlds discovered so far.

"I usually try not to call things 'Rosetta stones,' but this is as close to a Rosetta stone as anything I've seen," said co-author John Johnson, also of Caltech. "It's like unlocking a language that ...