Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a ...

We talk to astronomer Professor Jon Willis about what form alien life may take based on evidence we find on Earth ...

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

Modern astrobiology suggests that alien life would evolve under many of the same ruthless pressures that shaped organisms on ...

Over the past decade, scientists have come up with a variety of frameworks to guide their search for life in the universe. While it’s most convenient to start looking for life using the knowledge that ...