In radio astronomy, the bigger the telescope, the better. And the next big Chinese telescope is expected to blow the competition out of the water.
Lightning has never been detected in Titan's atmosphere, but one scientist is designing an instrument to track thunder that could reveal lightning activity.
The nearest form of extraterrestrial life in the solar system may be "only" a billion miles away.
Scientists debate evidence, or lack thereof, for a microorganism with arsenic-laced DNA.
According to a new book, the Roswell incident of 1947 wasn't a crashed flying saucer, it was an elaborate Soviet plot to cause mass panic in the U.S.
A super-civilization might build black holes for numerous mega-engineering projects. Interstellar travel and colonization would be a natural spinoff.
Could the Kepler planet-hunting space telescope stumble upon an extraterrestrial civilization's attempt at interstellar communication via a giant orbiting billboard?
Life on an exoplanet beyond a star's habitable zone would be pretty chilly, but what if that world had an atmosphere rich in hydrogen? Well, it could make the ideal warm blanket.
Former NASA administrator James C. Fletcher played a crucial role in the first three decades of human space exploration. To what extent did his Mormon faith fuel his enthusiasm?
It's time to think far outside of the box regarding our preconceptions of how to find extraterrestrial civilizations.