Red Mars meets bright Spica in the sunset sky this week. Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to catch the colorful ...

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering ...

Four research volunteers - Ross Elder, Ellen Ellis, Matthew Montgomery and James Spicer - will spend a year inside a Mars ...

Elon Musk and Jeff Bezos have spent two decades and large portions of their exorbitant wealth creating new space technologies. Their plan is to reshape how humans live.