Science

Mars by 2018? SpaceX and NASA announce a new project
The Red Dragon missions are aimed at figuring out what's needed "to land large payloads propulsively on Mars." For now, the plan doesn't include sending astronauts to the red planet.
Scans show 'brain dictionary' groups words by meaning
Brain maps constructed by MRI imaging show that language meaning is distributed throughout the brain's outer layer. And it turns out that different people organize language in similar ways.
Prosecutor: No DNA exonerations after review of 14K Minn. cases
Officials examined more than 14,000 criminal convictions across Minnesota from the '80s and '90s to see if DNA technology could exonerate any convicted felons. Their conclusion? No.
Ending weeks of speculation, Cray Inc. said Tuesday it will move its St. Paul offices along with some 350 employees into a newly built office complex at the Mall of America.
Reef larger than Delaware found at mouth of Amazon
The newly-discovered reef may include new species.
Baby dino bones give insight on ancient species
The bones come from a baby titanosaur, or Rapetosaurus. They were huge dinosaurs that grew to over 50 feet long.
Hubble still delivering the goods after 26 years
For more than a quarter-century the Hubble Space Telescope has pierced the veil of the heavens.
Your conversation on the bus or train may be recorded
In a number of cities, what riders say may be recorded. Transit agencies are adding audio recording for security reasons, but civil liberties advocates say it's an invasion of privacy.