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 ...

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the ...

Astrophysicist and science communicator Neil deGrasse Tyson spills on his obsession with aliens and the best and worst ...