NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was wearing a type ...

This was the first untethered spacewalk in history. For 6 hours and 17 minutes, McCandless became a speck in the vastness of space; flying around with no cables to hold him from going loose.

Bruce McCandless III is a space historian and his dad did the first untethered space walk back in 1984. He and Emily Carney have written a new book for anyone who wants to learn about the American ...

The astronaut behind one of the 'most terrifying photos' ever taken in space explained why it was it was chilling. The late ...