Watch the NASA Mars Announcement Live Josh Smith09/28/2015 NASA is poised to announce a major Mars Mystery Solved today. Here’s how you can watch the NASA Mars announcement live, and the latest guesses about what NASA will announce concerning the Red Planet. There is a live stream of the NASA Mars announcement on the NASA TV channel that you can watch on your computer, smartphone or tablet.Advertisement Over the weekend NASA teased an announcement that will answer an important question about Mars. Watch the NASA Mars announcement live. Image via NASA on the Commons. The NASA announcement time is 11:30 AM Eastern and you can watch on NASA TV and on the NASA website. There is speculation that scientists will speak about proof of water on Mars.Advertisement Watch the NASA Mars announcement below on Ustream to see what the space exploration agency has to say about Mars. You can press play below to watch on any device, or you can go to the NASA website to watch.Advertisement Use the NASA TV website to watch directly on NASA. This link should also work on iPhone, Android, iPad and computer. The NASA Mars mystery announcement is set to start in a few minutes and will include the following participants. Jim Green, director of planetary science at NASA Headquarters Michael Meyer, lead scientist for the Mars Exploration Program at NASA Headquarters Lujendra Ojha of the Georgia Institute of Technology in Atlanta Mary Beth Wilhelm of NASA’s Ames Research Center in Moffett Field, California and the Georgia Institute of Technology Alfred McEwen, principal investigator for the High Resolution Imaging Science Experiment (HiRISE) at the University of Arizona in Tucson After the announcement there will be a short period of questions and answers. You can submit a question using the hashtag, #AskNASA on Twitter.