Best Animated Short Oscar cheat sheet: How to watch ‘Retirement Plan,’ ‘The Shyness of Trees,’ and the rest of the shortlisted contenders

Additional contenders include "Butterfly (Papillon)," "Cardboard," "Éiru," "Forevergreen," and "The Girl Who Cried Pearls." ...
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City-size 'cosmic butterfly' carved into Mars' surface contains traces of ancient water

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure ...