Science

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.
Facebook's master plan: Kill other apps
Mark Zuckerberg has laid out a 10-year master plan for Facebook. It's bold. It's savvy. And it glosses over a key detail: the dark side of making the world more connected.
Finding a new planet that orbits a distant star isn't such a big deal anymore -- astronomers have discovered around 2,000. But no one knows if any of these planets has a moon. That might change this year, if a moon-hunting project goes as planned.
SpaceX rocket lands safely on a ship at sea for the first time
A resupply capsule, bearing an inflatable habitat, is en route to the International Space Station, and the first stage of the rocket that launched it has returned for a sea landing without exploding."