Life on Mars?
Enceladus could still harbor extraterrestrial life
Enceladus' underground ocean is rich in phosphorus, a new study suggests. One of Saturn's largest and brightest moons has long been one of our top targets in the search for life.
Searching for extraterrestrial civilizations over 60 years and zero results
Carl Sagan was one of the great defenders of the SETI program. After more than 60 years without finding a single bit of evidence, is it worth continuing to search?
7 places to look for extraterrestrial life
Before we start looking for extraterrestrial life forms on distant exoplanets, where might we find them in our own cosmic neighborhood?
Could an advanced civilization have existed millions of years before us? (Silurian hypothesis)
We want to do with you a curious mental experiment with its own name: the Silurian hypothesis in which we presuppose the possibilities that a civilization had existed before we appeared.
Important advances in the search for extraterrestrial life
Detecting extraterrestrial life requires that we understand the basic fundamentals of life and that we have specialized instruments capable of detecting it