But what if the most clandestine intelligence program in U.S. history was shut down not because it failed, but because it had ...

Scientists are to send a spacecraft to hunt for aliens potentially hiding in our solar system. The European Space Agency (ESA) has announced a mission to Saturn's moon Enceladus, as it has all the ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What would these lunar-dwellers ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Scientists are to send a spacecraft to hunt for aliens potentially hiding in our solar system. Get any of our free email newsletters — news headlines, sports, arts & entertainment, state legislature, ...