Scientists argue "early Armageddon" snuffs out alien life before it has a chance to evolve.
In an interview for Business Insider, astronomer and former director of the Center for SETI Research Jill Tarter, responded to Stephen Hawking's concerns about Active SETI, or sending messages to possible extraterrestrial civilizations rather than simply waiting and listening for signals from said intelligent aliens.
 Inferring the global cosmic dust influx to the Earth's atmosphere from lidar observations of the vertical flux of mesospheric
Only after searches have been systematic and inclusive enough that null results become significant -- a long way from where
Our earliest astronauts were test pilots; their selection followed strict criteria of age, gender, and flight experience that severely limited participation. Are we in danger of creating another exclusive group of spacefarers?
I'd welcome an alien in my church pew any Sunday, as an astrobiologist who is also a pastor. However, none have shown up as yet.
We have no answer to the Fermi Paradox—the best we can do is “possible explanations.” And if you ask ten different scientists
Aliens almost definitely exist. This isn't the first time in recent months that Congress has held a hearing on aliens. In
A team of astronomers, after carefully combing data from NASA's Kepler space telescope, has finally nailed a world that might be similar to our own. But is it inhabited? Finding the answer is not easy.
According to IAU rules, Pluto's moons must be named after characters associated with the underworld in Greek and Roman mythology