A speculative look at strange planets, unfamiliar ecosystems and the bizarre creatures that could evolve there.

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became ...

Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness is likely 'substrate flexible', challenging the ...