NASA - National Aeronautics and Space Administration

Diagnostic activities performed by Spirit on Thursday, Jan. 29 narrowed the range of factors that may have contributed to its unexpected behavior earlier in the week.

Be a part of history and join astronomy fans around the globe in casting a vote for the next object the Hubble Space Telescope will view.

NASA's Spitzer Space Telescope has observed a planet that heats up to red-hot temperatures in a matter of hours before quickly cooling back down.