Science fiction is the realm where people traditionally wrestle with the idea of contact with an ETI (Extraterrestrial Intelligence.) But…
In a recent report, researchers with the Penn State Extraterrestrial Intelligence Center recommend that we search for extraterrestrial intelligence here…
In about 5 billion years, the Sun will leave the main sequence and become a red giant. It'll expand and…
How will humanity meet its end? That's only a depressing question if you think that humanity will go on forever.…
In 1961, Russian-Soviet astrophysicist Nikolai Kardashev published a paper where he introduced the Kardashev Scale, a means of classifying extraterrestrial…
In 1974, the famous Arecibo Message was sent into space, humanity's first and only attempt at messaging extraterrestrial intelligence.
According to a new study, alien probes may permeate the galaxy, and could be detected in the Solar System when…
In a recent paper, Amir Siraj and Prof. Loeb show that the "nitrogen iceberg" theory cannot explain the mysterious nature…
Frameworks are a valuable tool in science. They give context to sometimes abstract concepts such as “how powerful can an…
A new study indicates that aliens are probably out there, occupying half of the Universe, and we'll likely meet them…