Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Physicists propose 'framework' to work through differences between quantum mechanics and general relativity.
A potentially huge tourism market would open up if private spaceflight can reduce its costs to about $340 dollars per pound launched--and that's very possible, according to a recent study.
Tips for those in Florida hoping to catch a good view of the space shuttle Endeavour's final launch to space April 29.
Launch of shuttle Endeavour will be crowded with an expected 500,000 visitors, including President Obama and his family.
Sex in space may not be happening now, but could occur as plans for missions to Mars become reality.
The launch will be the first extended outing she's made from a hospital since she was gunned down outside a Tucson, Arizona, supermarket on January 8.
Corporations stepping up to explore space as NASA's shuttle program shuts down.
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.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.