LifeHome, sweet exomoon: The new frontier in the search for ET We're fixated on the idea that life can only exist on a planet like Earth – but the most likely habitat might lie elsewhere Features
HumansSexuality is fluid – it's time to get past 'born this way' Gay rights shouldn't depend on how a person came to be gay, and we should embrace the fact that sexuality can change, says developmental psychologist Lisa Diamond Opinion