Isaac Arthur on MSN

The best place to find alien life may not be a planet at all

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a more surprising possibility: giant moons circling massive worlds may offer ...
BBC Sky at Night Magazine on MSN

How small can an Earth-like planet be and still host alien life? Scientists have used a genius trick to answer that very question

Study pinpoints which rocky worlds could hang on to a life-supporting atmosphere ...

What would an alien diet look like?

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...