Scientists have ruled out catastrophic climate change as the cause of the extinction of the Neanderthals about 30,000 years ago, according to a paper published Wednesday.

News sites generated by public citizens don't follow the same stories as those found in the mainstream media, focusing more on technology than politics and eschewing wire services for alternative sources of information such as blogs and YouTube, according to a study released Wednesday.

A man walking in a small Northwest Territories community has stumbled across what could be the carcass of a steppe bison that roamed before the last Ice Age.

Microsoft Corp. issued only four downloadable fixes on what has become known as "Patch Tuesday," the fewest flaws needing monthly remedies this year.

The CRTC has rejected an application by Bell Canada to deregulate 56 of 58 local phone markets, which means the company will still need regulatory approval to change its prices in those areas.

Early humans likely lacked an Achilles tendon, which means their ability to run would have been greatly diminised, according to British researchers.

Scientists are creating patches that can release almost any drug through the skin and might eventually replace painful hypodermic needles.

Japan has again postponed the launch of its first lunar orbiter, this time because of a poor weather forecast.

An international team of scientists has genetically engineered a drought-resistant type of rice that uses less water than typical kinds.

While only tested on mice, a molecular probe that lights up protein-destroying enzymes that exist in cancer cells has been developed by researchers.

British researchers say social networking sites such as Facebook aren't expanding peoples' circle of close friends, but they are creating many meaningless relationships.