Paul Patton begins a three-part series on the evolutionary biology of aliens. Will they follow the same direction as life…
Could there be life on Saturn’s large moon Titan? Asking the question forces astrobiologists and chemists to think carefully and…
The idea of panspermia -- that life on Earth originated from comets or asteroids bombarding our planet -- is not…
Welcome back to our Fermi Paradox series, where we take a look at possible resolutions to Enrico Fermi's famous question,…
Welcome back to our Fermi Paradox series, where we take a look at possible resolutions to Enrico Fermi's famous question,…
Should we beam messages into deep space, announcing our presence to any extraterrestrial civilizations that might be out there? Or,…
In the movie "Avatar", we could tell at a glance that the alien moon Pandora was teeming with alien life.…
How can astrobiologists find extraterrestrial life? In everyday life, we usually don’t have any problem telling that a dog or…
On television and in the movies, it’s so easy. Aliens almost always speak English (at least in America they do).…
Over the last 20 years, astronomers have discovered several thousand planets orbiting other stars. We now know that potentially habitable…