Technically Incorrect: Cosmologist Fergus Simpson believes that the most intelligent of aliens out there will likely weight 650 pounds. Yes, little green people could be very, very big.
Crave's Michael Franco talks with the women who built Spaceprob.es, a colorful and easy-to-use new website that schools you on almost 30 active probes in our solar system.
NASA's administrator confirms the space agency is moving ahead with plans to send a spacecraft to Europa, a moon that may hide a vast ocean under its icy surface.
Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
NASA has also released a brand-new video that describes why the icy moon's vast sea might just be the perfect place to find life beyond Earth.
In northern California, the SETI Institute has to shut down its systems because of wildfires near its telescope array.
Who better to deliver your greetings from space than Hello Kitty? The adorable cat happens to be on board a satellite and has been sending messages back to Earth.
Anomaly no more? Radio observatories in Australia and Puerto Rico have both now picked up brief bursts of radio waves from beyond our galaxy.
Speaking to Congress, two astronomers from SETI describe the chances of finding aliens as almost 100 percent.
Astronomers have long searched for life on other planets. But what happens when we find it? This e-book lays the groundwork.