extraterrestrial civilization
NASA Uses Powerful Transmitters to Talk to Deep Space Spacecraft. Will Other Civilizations Receive Those Signals?
In a recent study submitted to the Publications of the Astronomical Society of the Pacific, a pair of researchers from…
How Many Intergalactic Radio Stations Are Out There?
A new study suggests that we could expand the scope of SETI research by looking for civilizations beyond our galaxy.
Snooping on Alien Messages Passing Through the Solar System
Researchers at Penn State University have studied a new technique that could use a star’s ability to focus and magnify…
Maybe We Don’t Hear From Aliens Because They Choose To Go Silent
How will humanity meet its end? That's only a depressing question if you think that humanity will go on forever.…
Humanity Will Need to Survive About 400,000 Years if We Want any Chance of Hearing From an Alien Civilization
If there are so many galaxies, stars, and planets, where are all the aliens, and why haven't we heard from…
What is the Kardashev Scale?
In 1961, Russian-Soviet astrophysicist Nikolai Kardashev published a paper where he introduced the Kardashev Scale, a means of classifying extraterrestrial…
If Aliens Are Out There, We’ll Meet Them in a Few Hundred Million Years
A new study indicates that aliens are probably out there, occupying half of the Universe, and we'll likely meet them…
Oumuamua Isn’t an Alien Probe, Because Aliens can Learn Everything They Need About us With Telescopes
A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of…
The First Civilization We Contact Will Have Been Around Much Longer Than Humanity
Recently at UT, author Matt Williams has been writing a series called “Beyond Fermi’s Paradox”, which takes a look at…
Alien Minds I: Are Extraterrestrial Civilizations Likely to Evolve?
Paul Patton begins a three-part series on the evolutionary biology of aliens. Will they follow the same direction as life…