When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using ...

Every week, we take a deep dive into a topic that’s been making headlines in a series called KN Explains. We then ask you to Have Your Say by sharing your own experiences and opinions. Fill out the ...

Last week we asked our audience, what do you think an alien looks like? UFOs — unidentified flying objects — have been making headlines lately. Retired U.S. intelligence officer claims government is ...

RATHER than searching for aliens phoning home, scientists are looking for signs of the homes themselves. A new project proposing that galaxy-spanning alien civilisations should generate detectable ...