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

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Will we discover alien life by 2075? A top scientist predicts we will. Learn about the search for life beyond Earth, from ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

May the faint chemical signals drifting through the atmosphere of a distant world be the long-sought message that we are not alone. Astronomers have reported seeing an unusual and strong combination ...

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

As far as underwhelming headlines go: "No Alien Life Found on Comet" must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that ...