Venus is leaking carbon and oxygen, a fleeting visit by BepiColombo reveals 

 BepiColombo spotted an outpour of carbon and oxygen atoms in Venus' fragile magnetic environment 

https://cdn.mos.cms.futurecdn.net/QTyDciQ47KyZFSUhCK8TJU.jpg

https://www.space.com/bepicolombo-carbon-oxygen-venus-space-mission