Aliens
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…
We Could Snoop on Extraterrestrial Communications Networks
SETI researchers have directed their search toward interesting star systems where extraterrestrial civilizations could send signals toward Earth. According to…
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…
First Contact Could Turn Out Well for Humanity
Most science fiction portrays the first contact between humanity and alien civilizations as a disaster. That's probably because our history…
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…
Is Anyone Planning for Diplomacy with an Extraterrestrial Civilization?
Imagine we detect an interstellar object entering our Solar System. At first, astronomers think it's just another natural interloper like…