Venus, the second planet from the Sun, is often called Earth's "sister planet" due to their similar size and mass. However, a closer look reveals a world of extremes and unique characteristics that set it apart.
Space science is interesting in its diversity. At times, it's an extremely complex, expensive and time-consuming effort to gather data. Look how challenging it was for Curiosity and Perseverance to reach the surface of Mars safely. Look at the JWST's long journey from clean room to Sun-Earth L2, and its eventual science results.

