For the first time in a generation, NASA is building a new astronaut-carrying spacecraft. Called Orion, this capsule is designed to take explorers further into space than we’ve ever gone before. Eventually, journeys to Mars itself are being imagined.
In recent years, astronomers have been astounded by just how much Saturn’s moon Titan resembles Earth. Like our planet, the surface of Titan is covered with lakes and seas; it has islands, mud, rain clouds, river channels and, according to some scientists, even rainbows.
In space, the lack of gravity can stretch an astronaut’s spine causing them to grow in height by as much as three inches. In an effort to prevent this, scientists have developed skin-tight spacesuits that mimic the force of gravity on the human body.