There are still VERY awesome things going on in space that don't involve manned flight.
The badass Cassini spacecraft detected a storm on Saturn way back in December and that storm still rages today. It covers a mindblowing 2 Billion-With-A-'B' square miles. (By contrast, the Earth's surface is only 197 million square miles.)
At its most intense, the storm was producing 10 lightning strikes a second. Listen to the audio of the lightning.