TIMHi, I'm Tim Peake. I'm an astronaut based here at the European Space Agency in Germany, and from December 2015, to June 2016, I spent six months orbiting Earth on the International Space Station.

TRI-CITIES, Wash., - A new educational project is set to transform the trails along the Columbia River into a scale model of ...

An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...