Delayed due to inclement weather, the Japan Aerospace Exploration Agency (JAXA) now is targeting 1:52...

Experts from NASA will preview two upcoming spacewalks outside the International Space Station to continue...

Members of NASA’s New Horizons spacecraft team will host a Science Chat at 1 p.m....

Human skeletal stem cells that become bone, cartilage, or stroma cells have been isolated from fetal and adult bones. This is the first time that skeletal stem cells, which had been observed in rodent models, have been identified in humans. The researchers were also able to derive the skeletal stem cells from human induced pluripotent stem cells, opening up new therapeutic possibilities.