Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
The schedule of the Pope and NASA's own launch schedule must align to make the call happen.
A new UFO crash video making the rounds titled, "Dead Alien Found in UFO Hotspot in Russia," is a fake, despite its convincing look.
Mars' South Pole is home to 30 times more dry ice than previously believed, suggesting that the red planet was once a much wetter place.
Historians doubt the legitimacy of the document citing inconsistent redacting processes and lack of a copy in the Kennedy archives.
A proposed joint American-European gravity wave detector, to be launched in 2015, will not go forward as planned, the space agencies announced recently.
The space agency was unaware that the shuttle Endeavour's final mission to the International Space Station was in conflict with the royal wedding.
Titan's liquid methane surface has scientists wondering if it couldn't support alien life, much like water supports life on Earth.
NASA pins hopes for low-Earth orbit space flight on private companies as it looks toward deep-space exploration.
What was previously thought to be royal propaganda may have actually be signs of a supernova reaching Earth during Charles II's birth.
Video: Watch an incredible time-lapse of the Milky Way shot from El Teide, Spain's highest mountain.
The sight of the two planets in close proximity should be easy to see on April 19, and will make for excellent photographs.
NASA has unveiled a flood of photos showing millions galaxies, stars and asteroids photographed by a prolific sky-mapping telescope that ended its mission earlier this year.
Current estimates put the total value of all three shuttles at $15.7 billion.
Parts of the agency devoted to planetary exploration and probes saw increased funding while low-Earth orbit operations received less.
A small asteroid zooming by Earth this week has been caught "winking" as it spins in a new video recorded by an amateur astronomer.
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