Why is Mars more popular than Venus?

Which would be the better planet to live on? What is the surface of Mars and Venus like? Why are we always exploring Mars and not Venus? For free home activities sign-up at www.WhoSmarted.com See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.