The scientific community tends to employ ‘confidence of life’ detection scales: a multi-step ‘ladder’ that begins with ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

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

The Trump administration on Friday released much-anticipated UFO files with images showing evidence of what could be extraterrestrial life. THIS BLOG IS NOW CLOSED Article continues below ...

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 ...

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.

A Daily Mail headline, among many others, warns, “Religious leaders told 'prepare now' for UFO disclosure to unleash Bible-changing revelations.” Next month promises to be a busy one, with Steven ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

Pentagon announces release of files on unidentified aerial phenomena sightings, in what it describes as a transparency push into long-standing questions around alien and extraterrestrial life.