When space shuttle Atlantis fired up its engines on July 8, the bittersweet tears for the end of an era had barely dried when the question: "So, what's next?" was asked.
As Space Shuttle Atlantis left the space station, it remained uncertain when another U.S. spacecraft would return.
In a second interview, I appeared on Chinese radio as part of CRI's "Beyond Beijing" to discuss the retirement of NASA's Shuttle Program and the future of space commercialization.
Earlier today, I had the honor of being invited on PRI's "The World" radio show with host Lisa Mullins to discuss a combination two of my favorite subjects: space beer!
Virgin Galactic has released a video clip of the latest test flight of SpaceShipTwo, featuring the spacecraft's unique "feathering" technique.
On Wednesday, SpaceX released a pretty cool promo video for its commercial crew development program.
Although excitement is growing for the possibility of U.S. commercially-launched astronauts to the International Space Station (ISS), some international partners may need convincing.
Elon Musk has announced a time-scale for his company's planetary exploration goals.
Are we at a cross-roads in human spaceflight? Or are we in a steady decline? On the 50th anniversary of Yuri Gagarin's first flight, Discovery News space producer Ian O'Neill shares his opinion.
Scheduled for a 2013 maiden flight, the new rocket could make a Mars sample return mission a reality.