Exploring Space and Beyond

There's no air in space. But robots don't care! Learn more about how these mechanical robonauts can help us understand more about the solar system in which we live.

It fell from the sky as it re-entered Earth's atmosphere. The Columbia space shuttle is a sight that will never be forgotten. What caused this national tragedy? How did it change the future of space flight? Learn the risks and challenges that come with exploring our final frontier.

When is a planet not a planet? Dwarf planets orbit the sun, are solid bodies, and are not moons. But they are not considered regular planets. Learn more about these spherical oddities and why Pluto is still hotly debated today.