Extraterrestrial
An AI Simulated Interactions Between Different Kinds of Advanced Civilizations
The possibility for life beyond the Earth has captivated us for hundreds of years. It has been on the mind…
Some Intelligent Civilizations Will Be Trapped on their Worlds
Evolution has produced a wondrously diverse variety of lifeforms here on Earth. It just so happens that talking primates with…
Can Alien Civilizations Detect Humanity?
One of the fascinating things about being a human in this age is that we can do more than wonder…
Since Aliens Obey the Laws of Physics, Can We Guess What They Look Like?
Since time immemorial, humans have gazed up at the stars and wondered if we’re alone in the universe. We have…
Could We Find Aliens Terraforming Other Worlds?
The first early humans to use fire had no inkling of what it would lead to. Fire was one of…
Penn State SETI Symposium Opens with Commemoration of Dr. Frank Drake
This year's Penn State SETI Summit kicked off with a a lecture on how history will remember SETI pioneer Frank…
Astronomers are Searching for a Galaxy-Wide Transmitter Beacon at the Center of the Milky Way
Researchers with the SETI Institute have monitored the center of the Milky Way for possible transmissions from a galactic beacon.
A Sign from Space Simulates What it Would be Like to Get a Message from Aliens!
A Sign in Space project has simulated a message from an extraterrestrial intelligence and has involved the global community in…
Game of Probes: The First Probe Sent to Another Civilization Won’t Be the First to Arrive
If we ever detect an Extraterrestrial Civilization (ETC) and start communicating with them, the messages could take years, decades, or…
Gravitational Wave Observatories Could Search for Warp Drive Signatures
A new study shows how gravitational wave observatories could be used to search for technosignatures throughout the galaxy