Supernovae like this one - designated iPTF14hls - usually remain bright for about 100 days. This one stayed bright for 600 days. Then, astronomers found a 1954 explosion in the same spot in the sky.
Zombie ant fungus doesn't attack ants' brains. Instead, the fungus invades an ant's entire body, forming an interconnected 3-D network, forcing the ant to move.