Nasa boss says he hopes astronauts may one day return his rover. The director of Nasa's Mars exploration programme says he hopes that one day the rover Curiosity might be brought back to Earth by astronauts. Doug McCuistion said it was his personal hope that humans would visit the Red Planet in the 2030s or 2040s. He said he could imagine astronauts walking up to Curiosity.
If you mean personal income taxes, you can file them any time after January 1, and they are due on or before April 15, unless you file for an extension. In USA, you may file personal income taxes beginning January 2 and the deadline is April 15 or the first business day thereafter.
If you are older than 65, you must file if your taxable income is over $11,200. To file as a head of household, you must have at least one dependent and not be married. If you use this filing status, you must file a tax return if you are less then 65 years old and have at least $12,500 in taxable income. If you are older than 65, the threshold increases to $13,950. Married couples can chose to file a joint return or two separate returns.