Feb. 14, 2014
Researchers have determined the now-infamous Martian rock resembling a jelly doughnut, dubbed Pinnacle Island, is a piece of a larger rock broken and moved by the wheel of NASA's Mars Exploration Rover Opportunity in early January.
Feb. 14, 2014
With the space station no longer "under construction," the world's most advanced orbital laboratory is open for business. The station has just received a 10-year extension from NASA, giving researchers the time they need to take full advantage of its unique capabilities.
Feb. 7, 2014
California is experiencing a historic drought--by some measures the deepest in more than a century. NASA researchers are investigating the underlying causes and practical consequences for people living in the Golden State.
Feb. 4, 2014
Imagine living on a planet with seasons so erratic you would hardly know whether to wear Bermuda shorts or a heavy overcoat. That is the situation on a weird, wobbly world found by NASA's Kepler space telescope. The planet wobbles wildly on its spin axis, much like a child's top.
Jan. 30, 2014
NASA researchers plan to create the coldest spot in the known Universe--inside the International Space Station. The device, known as the Cold Atom Lab, could discover new forms of matter and novel quantum phenomena.
Jan. 22, 2014
Scientists using the Herschel space observatory have made the first definitive detection of water vapor on the largest and roundest object in the asteroid belt, dwarf planet Ceres.
Jan. 21, 2014
NASA scientists say 2013 tied with 2009 and 2006 for the seventh warmest year since 1880, continuing a long-term trend of rising global temperatures.
Jan. 14, 2014
Eight years after it left Earth, NASA's New Horizons spacecraft is approaching Pluto. The encounter begins less than a year from now.
Dec. 23, 2013
A vast bank of electric-blue clouds has appeared over Antarctica, signaling the start of the season for southern hemisphere noctilucent clouds.
Dec. 13, 2013
The Geminid meteor shower is underway. Forecasters say the best time to look is during the dark hours before sunrise on Saturday morning, Dec. 14th. Dark-sky observers could see dozens of bright shooting stars.