03/07/2014 - 11:00
From the start, it had a Hollywood sound: Planet X, a large but unseen celestial body suspected to lie beyond the orbit of Pluto. Even its nicknames -- Nemesis and Tyche -- were made for the big screen. Too bad there's nothing to it.
03/05/2014 - 13:00
In the distant reaches of space, a giant black hole spins at half the speed of light, according to findings reported March 5 in the journal Nature.
02/25/2014 - 04:00
In mid-February, as millions of eyes locked onto the Winter Olympics, websites rattled with reports that an asteroid “the size of three football fields” would brush by Earth.
02/14/2014 - 07:40
How anticlimactic. The infamous Martian rock resembling a jelly doughnut is simply a piece of a larger rock broken and moved by the wheel of NASA's Mars Exploration Rover Opportunity in early January, according to NASA.
02/12/2014 - 10:00
Not that anyone is going to Ganymede, the largest moon in the solar system. But if they were, they'd have a good map.