Imagine this scenario: On a world orbiting a neighboring star, a society more advanced than our own has used large telescopes to survey all the planets within a few hundred light-years. In this sample of a million worlds, ...
Astronomy
Jul 18, 2017
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The appearance of small bodies in the outer solar system could be deceiving. Asteroids and dwarf planets may be camouflaged with an outer layer of material that actually comes from somewhere else.
Space Exploration
Jan 20, 2017
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After decades of fruitless scanning the skies for alien messages, scientists say it's time to try a basic rule of etiquette: Say "hello" first.
Astronomy
Dec 26, 2016
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(Phys.org)—A team of researchers with members from NASA Ames Research Center, the SETI Institute and the University of Nevada has identified 24 "hot Earth" star systems where the planets are isolated from other planets. ...
It's now the biggest single-dish radio telescope on Earth. Settled down in the bumpy karst of China's Guizhou province, about 1200 miles southwest of Beijing, this newest instrument for studying the heavens is very similar ...
Astronomy
Oct 7, 2016
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The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...
Space Exploration
Sep 13, 2016
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21
If there are planets around the double star Alpha Centauri AB, they're a mere 4 light-years distant, a remove so small we might actually be able to send space probes there in the foreseeable future.
Astronomy
Jul 25, 2016
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The SETI Institute Director of Research, proposed a broader, multidisciplinary approach to the SETI search, beyond radio and optical modalities, in an article published today in the journal Astrobiology. "Are we alone in ...
Astronomy
Jul 8, 2016
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Recently discovered evidence of carbonates beneath the surface of Mars points to a warmer and wetter environment in that planet's past. The presence of liquid water could have fostered the emergence of life.
Space Exploration
May 24, 2016
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684
The search for radio signals from alien worlds is expanding to 20,000 star systems that were previously considered poor targets for intelligent extraterrestrial life, US researchers said Wednesday.
Astronomy
Mar 30, 2016
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