The former astronomical hot spot of the world is finding itself in a battle to remain relevant. Kitt Peak National Observatory, located about 55 miles southwest of Tucson, was founded in 1958. It...

Usually when people observe hot gas coming out of something, they are watching a politician deliver a speech. Astronomers have found objects that do the same thing but in a far more spectacular fashion. Quasars...

By late 2018 Tucson-based World View Enterprises plans to fulfill the dreams of many by sending people into space.  World View Enterprises, a private company, is the only near-space exploration...

Booking beachfront villas on the Amalfi Coast and vacationing on private yachts for the 1 percent will soon be replaced by trips that rocket outside of Earth's atmosphere as innovations in space tourism...

¿Pueden los humanos cultivar comida en Marte de la misma manera que el personaje de Matt Damon, en la película nueva de “Marte: Operación rescate”?Los científicos de la Universidad de Arizona dicen...