Australian scientists detected a signal from a satellite launched over 60 years ago. The only problem? It's been deactivated for years.

A 20th century Outer Space Treaty was effective for the time when only Russia and the United States were the key players in outer space, Clare Fieseler,a science journalist and Justice Sandra Day ...

These are just a few of the challenges that humans face in outer space. Emily and Regina talk to a NASA astronaut (and astronaut scientist) about the impact of spaceflight on the human body.

When US astronauts Barry "Butch" Wilmore and Sunita Williams touched back down to Earth after their prolonged 9-month stint in outer space, captivated viewers were quick to note Williams' gray ...

Space, legally. Outer space—including the Moon—from a legal perspective, is a unique domain without direct terrestrial equivalent. It is not, like the high seas, the “common heritage of ...

Although the term space was used to refer to places beyond Earth as early as 1667, in John Milton's Paradise Lost, outer space didn't enter our language until the mid-1800s when it was used in an ...