Sad news for our space adventurers: A new study indicates that time spent in zero gravity may be bad for their vision.
Astronaut Andre Kuipers snapped this shot of a recent aurora as the International Space Station orbited over the Southern Hemisphere.
The 1990 edition sold 120,000 copies. The 2010? Just 8,000. But a half a million people are willing to pay for online access.
Could the common brown garden snail you see slinking along the sidewalk actually be a military spy? Maybe some day.
Some 62 million light years away lies the Dorado Group, a cluster of about 70 galaxies including the one pictured here.
Word puzzles may go the way of chess and Jeopardy! next weekend at the American Crossword Puzzle Tournament in Brooklyn.
A new genre of electronic publication is proving to be rewarding not just for readers but for authors as well.
Astronauts on board the International Space Station took this picture of the Northern Lights from about 240 miles above the Earth's surface.
The video's spread was disturbing, but it provided a chance for long-simmering critiques of Western aid to reach a new audience.
NASA's Hubble Space Telescope has sent back this dazzling image of a group of young stars in a nearby galaxy.
Could the layout of letters on a keyboard be shaping how we feel about certain words?
Earlier this week the sun let loose its largest flare since August.
Tech journalists of the 19th century hailed the newfangled device "and the gratification it will afford to all lovers of the marvelous."
A portable printmaking studio shows just how central replication and recombination have been to art for ages.
A picture from the International Space Station captures the countries and cities lining the shores of the Mediterranean Sea.
E-readers aren't merely making reading more convenient, they're making new kinds of writing available.
A beautiful picture of the largest planet in our solar system, taken from the Earth's ground.
Scientists are trying to understand the distribution of galaxies and dark matter in the aftermath of a massive collision.
"Gunna" becomes "gunman" and you can imagine the rest.
A giant crack running through the Pine Island Glacier in western Antarctica first appeared in October, but the ice has held strong so far.