Editor’s Note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, Sign up for free here. In the early 1900s, Antarctica became a focus for explorers who embarked on daring but dangerous expeditions. Polar explorer Sir Ernest Shackleton and his crew of 27 set out on… Read More »
Editor’s Note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, Sign up for free here. In the early 1900s, Antarctica became a focus for explorers who embarked on daring but dangerous expeditions. Polar explorer Sir Ernest Shackleton and his crew of 27 set out on… Read More »
There are three ways to look for evidence of alien technological civilizations. The first is to be wary of deliberate attempts to communicate their presence, for example through radio broadcasts. Another is to look for evidence that they have visited the Solar System. A third option is to look for signs of large-scale engineering projects… Read More »
It’s our galaxy’s strangest star, a flickering orb of light whose erratic and unpredictable output has baffled astronomers for years. But now the study of Boyajian’s star is being touted as a research model that could help one of the most intriguing of scientific investigations: the finding of intelligent life on other worlds. This is… Read More »