Issue_80

When I read that more than a billion animals had lost their lives to bushfires still raging in Australia, I froze, staring at the incomprehensible figure on my screen. A sort of sinking feeling came. Scientists made the estimate from the numbers of animals that have died from previous land-clearing practices. It is dismaying to […]

Humans may have one thing that advanced aliens don’t—consciousness.

The results of galactic colonization models are a mixed bag for SETI optimists.

Bringing the Drake Equation up to date.

If there’s life beyond Earth, the genetic code might be our common bond.