Live coverage: NASA conducts Orion abort test over Cape Canaveral

Watch NASA’s news conference to preview three spacewalks outside the International Space Station planned for late March and early April to prepare for the future arrival of U.S. commercial crew spacecraft and upgrade station hardware.

SpaceX’s Elon Musk spoke with reporters Monday about his company’s plan to launch two space tourists on a loop around the moon in 2018.

NASA officials are waiting to see if Congress adds funding to the agency’s budget next year to kick-start development of a new four-engine upper stage for the Space Launch System, an upgrade that would allow the mega-rocket to loft heavier cargoes into deep space.