1. Visit science.nasa.gov/ for breaking science news.

    Sungrazing Comet ISON, expected to become a bright naked-eye object later this year, might dust the Earth with meteoroids in early 2014. Researchers discuss the possibilities in this week's ScienceCast.

    # vimeo.com/64386548 Uploaded 189 Plays 1 Comment
  2. Visit science.nasa.gov/ for breaking science news.

    An advanced particle detector onboard the International Space Station may have recorded its first whiff of Dark Matter. Researchers are excited about the possibility of finally understanding what this mysterious substance is made of.

    # vimeo.com/63914857 Uploaded 115 Plays 0 Comments
  3. Visit science.nasa.gov/ for breaking science news.

    Life as we know it doesn't thrive on planets without ozone layers. A new instrument slated for launch to the ISS will monitor Earth's protective ozone shell with greater depth and precision than ever before.

    # vimeo.com/62938505 Uploaded 79 Plays 0 Comments
  4. Visit science.nasa.gov/ for breaking science news.

    A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014. An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself.

    # vimeo.com/62630537 Uploaded 192 Plays 0 Comments
  5. Visit science.nasa.gov/ for breaking science news.

    Comet Pan-STARRS has survived its encounter with the sun and is now emerging from twilight in the sunset skies of the northern hemisphere. A NASA spacecraft monitoring the comet has beamed back pictures of a wild and ragged tail.

    # vimeo.com/61822951 Uploaded 94 Plays 0 Comments

NASA ScienceCasts

Science@NASA Plus

ScienceCasts are short videos about fun, interesting, and unusual science topics encountered by NASA’s science missions.

For more, please visit science.nasa.gov/

Browse This Channel

Shout Box

Heads up: the shoutbox will be retiring soon. It’s tired of working, and can’t wait to relax. You can still send a message to the channel owner, though!

Channels are a simple, beautiful way to showcase and watch videos. Browse more Channels.