Space missions take years to plan. But they also take years to execute, so special robots are used to study deep space instead of astronauts. Pluto is so far away, the New Horizons probe took 10 years
In 1976, Viking 1 became the first spacecraft from Earth to land on Mars. For the first time, scientists were able to see the surface of the red planet. Since then, NASA and other space organizations
Scientists first started talking about sending a robot to orbit Saturn in the 1980s. However, it wasn’t until 1997 that the Cassini Probe launched. Readers learn not only about how the probe was built
What’s the difference between an asteroid and a planet? Scientists struggled with this question for many years with regard to Ceres. Today, it’s called a “dwarf planet” and because of the Dawn Probe,
NASA has now sent a robot beyond our solar system, and another is on its way. Through detailed, fascinating main content and sidebars, readers learn about the process of creating the technology for th
