Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called ...

Nearly four kilometres beneath the East Antarctic ice sheet, Lake Vostok sits in darkness under enough ice to hide one of the ...

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

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 ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious When you purchase through links on our site, we may earn an affiliate ...

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

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As many as 200 worlds beyond our solar system discovered by astronomers may be larger than ...

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.