What if we all just disappeared one day? What of the animals, what of the cities?
Relax in a place with two suns, experience insane gravity, or walk on the red grass of a sister Earth? NASA travel posters for exoplanets have it all.
In the first battle on Mars, the objective was water – so claims a new board game. But is Mars really that dry?
A fictional character suffers a peculiar case of amnesia. Could it happen in real life, too? Turns out it has.