Tokyo-based startup Space One Co.'s second attempt to launch a rocket to propel it into the space-delivery service business failed shortly after the Kairos 2 lifted off around 11 a.m. on Dec. 18. The ...

The science pros at TKOR build a paper rocket launcher for a fun science test.

The Japan Aerospace Exploration Agency, or JAXA, says the eighth launch of the H3 rocket has ended in failure due to a problem with the second stage engine. The rocket was carrying the Michibiki No. 5 ...