Russia on Saturday announced initial plans to build a new orbital space station together with NASA to replace the International Space Station (ISS), which is set to operate until 2024.
NASA's Dawn probe arrived at Ceres, becoming the first spacecraft ever to orbit a dwarf planet.
It's not a spare moon of ours, exactly, but Earth does have a sort of gravitational buddy out there, in the mellifluously named 3753 Cruithne. It orbits the sun, just like us, and is locked with Earth in what scientists call orbital resonance.
For only the second time, an exoplanet living with an expansive family of four stars has been revealed.
The 20-year mission of a U.S. military weather satellite came to an abrupt end last month after a power system temperature spike and an apparent explosion.
NASA flight engineer Terry Virts paid respects to Leonard Nimoy from the International Space Station.
Russia says it will support U.S. plans to keep the International Space Station operating through 2024, but then wants to split off three still-to-be launched modules to form a new orbital outpost.
NASA astronaut Ron Garan won't only help you explore space, he'll give you a new perspective on Earth in his new book.
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