Giant elliptical galaxies are not as likely as disk-shaped galaxies, such as our own Milky Way, to be cradles of technological civilizations, according to a recent U.S. paper.
It's calculated that, thanks to rapid inflation, the universe may contain more than 1 googol (10^100) stars, and if this is the case then more complex, life-sustaining RNA structures are more than just probable, they're practically inevitable.
NASA's Curiosity rover discovered "startlingly high amounts of methane in the Martian air" on Wednesday in what could potentially be a sign of life on the Red Planet, the New York Times reported on Saturday.
Breakthrough Listen is an astronomical program which surveys the universe in an attempt to track down alien life. Its data were recently offered to prestigious astrophysics journals, and the amount of information is quite impressive.
Trillion Planet Survey is an ambitious experiment, run almost entirely by US students. It uses a suite of telescopes aimed at Andromeda and other galaxies including our own in search for extraterrestrial life.
Technosignatures are signs or signals, which if observed, would allow us to infer the existence of technological life elsewhere in the universe.
Nexus for Exoplanet Systems Science, or NExSS project's mission is to be able detect extraterrestrial “biosignatures” using current and future technologies.
Super salty water beneath ice could serve as a terrestrial analogue for a habitat for life on other planets.
Saturn's sixth-largest moon is incredibly far from the sun, but new research shows that it could probably sustain life.