Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Japan's new HTV-X cargo spacecraft will depart the International Space Station today (March 6) after a four-month stay, and you can watch the action live. The vehicle — known as HTV-X1, because it's the first of its kind — is scheduled to be released by the station's Canadarm2 robotic arm today at 12 p.m. EST (1700 GMT). You can watch it live here at Space.com courtesy of NASA, or directly via the space agency. Coverage will begin at 11:45 a.m. EST (1645 GMT). The robotic HTV-X is the successor to Japan's H-II Transfer Vehicle (HTV), which flew nine cargo missions to the International Space Station (ISS) from 2009 to 2020. The new freighter launched for the first time on Oct. 25, carrying about 9,000 pounds (4,080 kilograms) of food and other supplies to the orbiting lab. On Oct.…