Artemis 2 is at the launch pad, but several big tests must be performed before it launches as soon as Feb. 6.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A prototype NASA rocket for a planned crew ...

NASA still isn't sure why two parachutes failed during a test flight of its prototype moon rocket just over a month ago. The two-minute flight of the Ares I-X rocket went well Oct. 28. But only one of ...