Phosphine is produced by bacteria in the swamps of Earth. For some reason it's also floating around the atmosphere of Venus. 2 years ago this discovery led to skepticism, but after multiple confirmations, 6 spacecraft are now scheduled to visit "the forgotten planet" for the first time in 30 years.
Juno flies past Jupiter's icy moon Europa in 1st spacecraft visit since 2000
Earth Asteroid Impacts Mirrored on Moon – Including the Dinosaur Killer