What struck me as I saw “The Seed of the Sacred Fig,” which is set in modern Tehran, is how 15 years after the Green Movement, the fire of the uprising is still burning.

But how well do you really know our planetary neighbor? This quiz of 15 questions will test your knowledge of Mars' size, surface and history, as well as scientists' attempts to study it. Remember to ...

SpaceTV-1, a set of Ultra High Definition 4k cameras from space streaming company Sen, was delivered to the International Space Station (ISS) last year, and is now broadcasting live views of Earth and ...