Goldilocks moons
The search for extraterrestrial life outside our Solar System is currently focused on extrasolar planets within the habitable zones of exoplanetary systems around stars similar to the Sun. Finding Earth-like planets ...
The search for extraterrestrial life outside our Solar System is currently focused on extrasolar planets within the habitable zones of exoplanetary systems around stars similar to the Sun. Finding Earth-like planets ...
Astronomy
Jan 16, 2012
1
0
Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.
Space Exploration
Apr 15, 2010
71
0
Astronomers have their own version of the single person's dilemma: Do you wait by the phone for a call from that certain someone? Or do you make the call yourself and risk getting shot down?
Space Exploration
Feb 13, 2015
67
2626
(PhysOrg.com) -- A senior astronomer with the Search for ExtraTerrestrial Intelligence (SETI) Institute, Dr Seth Shostak, has reported in an article published online that perhaps we should be seeking alien "life forms" that ...
In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner (Princeton University) ...
Astronomy
Nov 3, 2011
54
1
Why haven't we found evidence of life anywhere but Earth? A trio of astrophysicists has revisited this question by taking a closer look at the "needle in a haystack" analogy. Their analysis involved creating a model to assess ...
(Phys.org)—Researchers working on the Search for Extraterrestrial Intelligence (SETI) project have completed their first "directed" search of a part of space and report in a paper they've uploaded to the preprint server ...
At this early stage in the search for extraterrestrial life in our solar system and beyond, the emphasis is on liquid water. Where it can exist on a planet's or moon's surface, so the thinking goes, life as we know it has ...
Astronomy
May 3, 2013
10
0
If we ever do receive a message from outer space, we’ll want to know what kind of aliens sent it. SETI researcher Seth Shostak says we shouldn’t expect them to be anything like us - in fact, they might not be biological ...
Space Exploration
Oct 1, 2010
49
0
Gregory Benford, his brother James and his nephew Dominic decided to combine their knowledge of astrophysics, space, microwaves and economics to look at the search for extraterrestrial life from a money perspective. They ...
Space Exploration
Oct 15, 2010
65
0