Science

Scientists have discovered a killer dinosaur that roamed in what is now Utah some 100 million years ago. Experts say the discovery provides insight into the top predators in North America before T. rex showed up.
BBC: The power of secrets
Secrets have become harder to conceal and easier to divulge. What are the consequences either for holding onto a secret or for giving it away?
Should the FCC lift restrictions on cellphone calls during airline flights?
Rules against making cellphone calls during airline flights are “outdated,” and it’s time to change them, federal regulators said Thursday, drawing immediate howls of protest from flight attendants, airline officials and others,” write Joan Lowy and Scott Mayerowitz for the AP. Tom Wheeler, the new chairman of the Federal Communications Commission, said in a statement Read more →
A new kind of telescope buried deep beneath the ice of Antarctica has, for the first time, seen a signal from distant, violent events. In doing so, it is beginning to paint a picture of a part of our cosmos that has never been observed before.
Astronomers call it the monster. It was the biggest and brightest cosmic explosion ever witnessed. Had it been closer, Earth would have been toast.
Photos: Astronaut Karen Nyberg's view from space
Minnesota astronaut Karen Nyberg returned to Earth after 166 days on the International Space Station. Following her launch into space on May 28, the Vining native said she adapted very quickly. The adjustment upon her return was a different matter.
Cars that run on hydrogen and exhaust only water vapor are emerging to challenge electric vehicles as the world's transportation of the future.
Mobile broadband boosts Minnesota access figures
Those tracking broadband speeds in Minnesota say some mobile service recipients have fast enough connections to count toward the state goal of ubiquitous high-speed Internet connections by 2015. As a result, three-quarters of households now have access, by that definition.
The controversy over the National Security Agency's surveillance programs has exposed a problem in the oversight of those programs: The development of the relevant technology has outpaced the laws and policies that govern its use.