Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

UFO researchers say upcoming US defence files on unexplained phenomena could reveal proof of alien life within weeks, potentially supporting claims extraterrestrials are already on Earth, even as ...

Unidentified aerial phenomena claims resurface, sparking debate over alleged alien life and government transparency. Despite ...

Alien life may be hiding much closer to home than science fiction would have us believe, according to a particle physicist ...

In his 1964 paper, "Transmission of Information by Extraterrestrial Civilizations," famed astrophysicist and radio astronomer ...

The study warns that the search for alien life could be marred by the fear of 'false positives'.

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while highlighting the agency’s role in collecting evidence for the search of alien life.

Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

Explore the shocking claims of alien life in recovered UFOs and the controversy surrounding these extraordinary assertions.

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

The number of planets capable of hosting alien life may be smaller than we thought, thanks to a new understanding of how water levels drive a planet’s climate. Below a certain level, carbon dioxide in ...