A new infographic from Space.com details some of the highlights in our quest to know whether we're alone in the universe.
Another mind-bending discussion with Steve Guttenberg finds the guys discussing the existence of alien life and 20th century nostalgia. But first, Steve fake-pitches an idea for a new TV series to Russ and Jeff.
Strange signals picked up by the radio telescope pointed towards the stars in Parkes, Australia have a rather more mundane origin.
Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
A meteorite from Mars that landed on Earth in 2011 contains a carbon compound that is biological in origin.
An album full of dogs, weather and human noises meant for the listening enjoyment of extraterrestrials is now available in its entirely for online streaming.
Ridley Scott's new movie "Prometheus" may reignite questions about life beyond the boundaries of our galaxy.
News reports claimed that the United Nations was to name its own Mazlan Othman as an official greeter for extraterrestrials, but now the Guardian says Othman denies the reports.
At a talk on the topic of what it will take to find extraterrestrial life, a senior SETI astronomer predicts it could happen within two dozen years.
In northeast California, an array of 42 radio antennas is helping advance the search for extraterrestrials. With additional funding, the array will expand to 350 antennas.