Is there a backup plan for the International Space Station?

The space shuttle flew to the International Space Station 37 times, but its retirement leaves NASA…

SpaceX eyes Nov. 30 cargo launch to space station

Space Exploration Technologies, a privately owned firm developing a space taxi with U.S.-government backing, plans to…

Canadians find Earth’s first ‘Trojan’ asteroid

Earth has an intriguing little companion in its journey around the Sun.

NASA probe poised for launch to heart of Jupiter

A NASA satellite was hoisted aboard an unmanned Atlas 5 rocket at Cape Canaveral Air Force…

Space station to be sunk after 2020: Russian agency

Russia and its partners plan to plunge the International Space Station (ISS) into the ocean at…

Other countries enter space race as U.S. exits

As NASA retreats from an ambitious human spaceflight program for the foreseeable future, other countries are…

End of an era for U.S. spaceflight as Atlantis lands

The shuttle Atlantis cruised home for a final time Thursday, ending its last mission to the…

Hubble detects a tiny fourth moon around Pluto

The Hubble Space Telescope has discovered a tiny fourth moon orbiting the distant icy dwarf planet…

NASA fends off tears with shuttle’s end in sight

NASA astronauts and engineers fended off tears Wednesday as Atlantis made its final approach toward Earth,…

U.S. shuttle bids farewell to space station

The crew of the Atlantis bade a bittersweet farewell to astronauts on the International Space Station…