Highlights from a cometary trio that captured our imaginations.

Volkswagen may be facing one of the most unusual crossroads in its history — and it has nothing to do with electric vehicles or emissions targets. A report circulating in recent days suggests the German automaker is exploring a potential partnership with Israeli defense firm Rafael Advanced Defense Systems that could see one of its factories transition away from building cars entirely. Instead, the facility could be repurposed to support components tied to Israel’s Iron Dome defense system. At t

What do volcanic plumes look like from space?