Iranian officials say a rocket launch last weekend was merely a test, but U.S. military intelligence officials now see it as a failed attempt to put a satellite in orbit.

Science editor Alan Boyle's Weblog: Work on the world's largest atom-smasher is proceeding smoothly, but the legal tussle over whether it should be stopped is facing new twists.

Two researchers on a quest to prove the existence of Bigfoot say that the carcass encased in a block of ice ? handed over to them for an undisclosed sum by two men who claimed to have found it ? was slowly thawed out, and discovered to be a rubber gorilla outfit.

Apple Inc. has released an iPhone software update it says improves communication between the smart phone and wireless networks.

In a world of look-alike PCs, manufacturers are aiming to differentiate their computers more than ever with features such as antimicrobial keyboards (for the ?Monk? in you) to facial recognition security, as well as colorful shapes and designs.

Everybody hates the FreeCreditReport.com guy for whining about his new wife's defaulted credit cards ... but when should you ask about your intended's credit rating? For better or worse, it's a conversation you shouldn't avoid.

To bring this sci-fi vision of 50-pound "micro-spacecraft" and 10-pound "nano-spacecraft" to reality, scientists have now invented a razor-thin skin that can protect craft against the extreme heat and intense cold found in outer space and withstand micrometeoroids hurtling at thousands of miles per hour.

NASA engineers have come up with a dual shock absorber solution to the problem of excessive vibrations with the new Ares 1 rocket that will launch the agency's Orion space shuttle replacement.

Erin O'Brien and her friends are do-it-yourself investors.

A new study found that an ant's social status in its colony depends both on its genetic inheritance and the food it eats when it is young.

Magpies can recognize themselves in a mirror, highlighting the mental skills of some birds and confounding the notion that self-awareness is the exclusive preserve of humans and a few higher mammals.

U.S. consumers have been buying significantly fewer cell phones but paying higher prices for them, according to a research firm.