TOKYO — Development has begun on Japan’s next-generation small rocket, the three-stage, solid-fueled Epsilon, which is currently slated for its first outing in 2013. While the rocket’s cost and ...

Caption: Japan’s Epsilon rocket launches on its debut mission from Uchinoura Space Center on Sept. 14, 2013 carrying the SPRINT-A (Hisaki) space telescope. Credit: JAXA PHOTO WASHINGTON — The Japan ...

Development by IHI and the Japan Aerospace Exploration Agency (JAXA) of the Epsilon solid-propellant space launcher is moving rapidly from one major revision to the next. JAXA now regards the second, ...

Among JAXA's major space transportation development programs, the one with the most assured future is the Epsilon, a solid-propellant rocket that is now well into the detailed design phase and is due ...