Astronomers with the European Southern Observatory (ESO) have broken new ground in exoplanet research by directly observing a planet in another solar system using a new imaging technique. This new method provided enough detail about the far-flung planet to reveal the presence of a complex, planet-wide storm—and a strange puzzle
Alien cultures more advanced than our own have spotted us by now, say astronomers. Within 15 years, our own next-generation telescopes will be searching the skies for the tell-tale rainbows from inhabited planets.
?Our own Earth has been putting out a signal for a billion years,? says astronomer Roger Angel of the University of Arizona in Tucson. ?Any civilization slightly more advanced than our own would know there was life on this planet.?