Twenty-one million light years from Earth is the spiral galaxy M101.
A video explains how we gauge the thousands, millions, or even billions of light years that separate us from the glowing objects we see with our most advanced telescopes.
The agency monitors dozens of words from the seemingly harmless to the clearly troubling.
On what would have been John F. Kennedy's 95th birthday, a picture of the state where he was born and raised.
In the past month alone Google has received requests to remove more than 1 million results from Search. Nearly half came from Microsoft.
"Looks like we caught a Dragon by the tail," says NASA astronaut Don Pettit.
A very clear -- and very beautiful -- manipulation of activity on the sun.
An interactive panoramic view of the place where scientists are hoping to make the first human contact with alien life
NASA's Mars Rover Opportunity captures a view of the Endeavour Crater in the hours before the sun sets.
Comment sections are notoriously neglected by online publications. But that may change if sites can figure out how to monetize readers' attention there.
Rather than encounter history as a linear story, we see it as a world more like our own, one in which we're actors with sets of competing choices laid out before us.
A comparison of two images from NASA's Landsat 5 satellite shows a dramatic change in the glacier between 1986 and 2011.
Behold, the wonders of science.
Photographer Mike Hutchings took this long exposure shot of the KAT-7 radio telescope array in the Northern Cape.
Algorithmically generated editorial judgment is still judgment.
Yesterday the moon crossed between the Earth and the sun resulting in a solar eclipse.
NASA engineers at work on the Core satellite of the Global Precipitation Measurement mission, set to launch in two years
"A high friend count is as much evidence of a willingness to hustle as it is proof of popularity."
Curators of rare books are finding that blogging gives their discoveries greater exposure, an example of how virtual work can support even the most tactile of pursuits.
After 19 weeks on an outcrop called Greeley Haven, NASA's Mars-exploring robot is recharged and exploring again.