Expert Voices - Leroy Chiao: Astronaut issues and space exploration

When you've spent months in space, what's it like to come home? Unique perspective from retired ISS commander Leroy Chiao.

How does Star Wars's space opera look to someone who's actually been in space?

Mars can wait — NASA must first go back to the moon.

"The Martian" gets astronauts right, suggests AstroCritic and former ISS commander Leroy Chiao.

The emotions of "Interstellar" ring true to those who've been in space, says AstroCritic and former ISS commander Leroy Chiao.

Can the United States hold its leadership in spaceflight into the 21st century?

If Russians can send the Olympic torch into space, why can't Americans find ways to inspire interest in space?

Is 'Ender's Game' true to the original story?

Is the U.S. losing its spaceflight dominance to China?

Does the film "Gravity" fly? Here's what astronaut Leroy Chiao had to say.