The Curiosity rover has been on Mars since 2012, and has contributed much to our understanding of the Martian environment in the past and present. In 2016, NASA performed a routine wheel examination to keep track of the wear and tear of the wheels. Cracks and holes are starting to appear in the gaps between the treads. After 5 years into this mission, it's not a surprise the wheels have started to wear, however, NASA wants to squeeze as much time out of them as possible. In March, they uploaded

Ever heard the phrase "it's not rocket science?" Usually uttered when attempting to complete a task that, in relation to "rocket science," should be much simpler. Well, in this article, the Planetary Society's David Shortt gives a short introduction to exactly what rocket science is: the math, the engineering, and how we use it to get to space.

NASA is in the middle of developing a new heavy-lift rocket, that will be used to get humans beyond low Earth orbit to places like the Moon and Mars. The last time NASA was in full scale development mode was in the late 1970s and early 1980s for the beginning of the Shuttle program. According to some investigations on the part of the Planetary Society, it looks like NASA's going to miss their launch date of Nov 2018.