Lots of stuff can be found on the Internet. For instance:

"The Obama White House continued with its policy of official coverup of the extraterrestrial presence on Mars, as well as coverup of U.S. President Barack H. Obama's personal visit to Mars..."

Obama Visited Mars, President Response To 'ET Disclosure Petition' Continues ET And Mars Coverup - UFO Blogger : Exclusive 2013 UFO News Stories, Flying Saucers and UFOs Sightings Videos