The immense sunspot that's been crawling across the face of the Sun all week erupted with an intense flare on Friday night. See it here!
Rosetta comet reeks of rotten eggs and pee
ICYMI: Five must-reads (PUPPY-SIZED spider!)
See: Famed Mars comet is surprisingly small
Halley's Comet meteor shower peaks Monday
Following Comet #SidingSpring on social media