For the answers, ask the clouds of Venus.

Scientists say that the clouds of venus probably might have hosted alien life, and also microbes have possibly evolved on venus. Few models also suggest that the planet once had a habitable climate with liquid water on the surface for as long as two billion years which is much more longer than it is believed to be available on Mars.

As it’s known that the microorganisms can thrive in any harsh conditions, there are traces of microorganisms on the planet too which symbolizes that the planet is soon going to be habitable. Unexplained mysterious dark patches are observed on the clouds of Venus. Although the temperature is very high there (450-degree Celsius) its soon going to host life on the planet