The H-IIB Launch Vehicle No. 2 with the KOUNOTORI2 (HTV2, a cargo transporter to the International Space Station, ISS) onboard was launched from the Tanegashima Space Center at 2:37:57 p.m. on January 22 (Sat., Japan Standard Time.) JAXA has issued two statements about the launch and controlled re-entry of the second stage. The HTV2 is also carrying a California high school space experiment.
More from the BBC, DailyMail, Mainichi Daily News, RIA Novosti, and NASASpaceflight.com.