Are we losing the Sahara to space? No, is the simple answer to that. The Earth has a trail of dust behind it but the dust is interstellar dust which is already present in the solar system. This interplanetary dust comes from the fragments of comets and asteroids that have collided. As the Earth travels [...]

Can a rocket reach the nearest star? Ion drives, solar sails and railguns are discussed. Could it be possible to use quantum mechanics to bend space and seem like your travelling faster than light? It got me dreaming although the reality of space kicks in at the end. Would you mind if a project was [...]