The four Polaris Dawn astronauts splashed down safely off the coast of Florida today (Sept. 15), bringing an end to their ...

Dropping new in 2014, the Slingshot was the first time many North Americans had even seen an autocycle. These days, it's a ...

Earth orbit that included the world’s first commercial spacewalk as it aims to splash down off Florida’s coast.

The mission was commissioned by billionaire Jared Isaacman, who made a fortune as the founder of Shift4 Payments, and did not ...