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    Why NASA will deliberately crash a spacecraft into an asteroid

    01:24
  • Neptune’s rings seen in latest photos from James Webb Telescope

    00:34
  • Blue Origin rocket jettisons cargo capsule during launch mishap

    01:14
  • NASA aims to launch Artemis 1 moon mission in late September

    00:19
  • NASA’s Artemis moon rocket prepares for new launch attempt

    02:01
  • NASA’s second attempt to launch Artemis set for tomorrow

    00:41
  • Communities debate on building spaceports, citing high cost, low demand

    04:58
  • NASA eyes Saturday launch for Artemis after scrubbed 1st attempt

    02:41
  • SpaceX’s Starlink aims to expand rural communication from space

    03:32
  • What’s next for NASA’s Artemis 1 mission after delayed launch

    02:58
  • NASA evaluates Artemis engine problems ahead of next launch day

    03:46
  • Artemis I launch delayed amid engine trouble

    01:50
  • NASA scraps Artemis launch after fuel leaks, storm concerns

    03:46
  • NASA postpones launch of Artemis 1 over engine issues

    04:31
  • Former astronaut Mike Massimino on significance of Artemis launch

    02:38
  • Technical issues threaten to delay NASA's Artemis rocket launch

    03:54
  • Watch: Lightning strikes tower at Artemis 1 rocket launch pad

    00:40
  • Violent morning thunderstorms threaten NASA Artemis Launch

    02:13
  • MTP Compressed: Justice Department releases unsealed affidavit for Mar-a-Lago search

    03:06
  • Artemis 1 launch is part of Mars preparation, NASA admin. Nelson says

    00:55

Is Water Discovered on Mars Evidence of Extraterrestrial Life?

02:05

For years scientists knew there was some water on Mars, but it was frozen solid in polar ice caps. Now streaks snaking down the planet’s mountains suggest water in a liquid form exists.