seti
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Aliens Could Be Trying to Get Our Attention Via Supernova-Timed Beacons
A recent SETI (Search for Extraterrestrial Intelligence) effort focused on a famous supernova from 1987, working under the premise that aliens might use such events to draw attention to themselves with synchronized beacons. Although this hunt came up short, it lays the groundwork for future searches using the same innovative strategy. This principle, called the…
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60 Million Stars and Not One Alien Detected
Astrobiologists with the Breakthrough Listen project have released the preliminary results of a SETI survey, in which the team hunted for radio signals along a line of sight that extends toward the galactic centre.
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Arecibo Observatory’s Greatest Triumphs
Yesterday brought the tragic news that the famous 304.80 m radio dish at the Arecibo Observatory in Puerto Rico will have to be demolished after the failure of two support cables. It’s the end of an era, but a good excuse to revisit some of the most important scientific contributions made possible by the famous…
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Aliens From These Worlds Could Be Watching Us Right Now
Since the 1990s, astronomers have catalogued more than 3,000 exoplanets using a fairly basic detection technique known as the transit method. But what if aliens are using the same technique to spy on us? A team of astronomers is now exploring this very exciting — if not totally terrifying — possibility.