At a meeting of world leaders Monday, Ban Ki-moon said that the moment to act on climate change was now.

Germany comes up with the funds to build a high-speed, magnetic levitation, rail service in Munich.

AFP - Fresh rainfalls and slow relief have deepened the humanitarian crisis caused by record floods in Africa which have affected more than 1.5 million people and killed at least 300, aid agencies warned...

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Obituary: The physicist who became known as the father of spacecraft ion propulsion.

Tests show people perceive animals, humans much more quickly than machines or inanimate objects.

Vowels gets nice bright colors in minds of synaesthetes; seldom-used consonants are darker.

Scientists show how Salmonella food bacteria in space become more virulent in their weightless surroundings.

Last shuttle servicing mission in about a year will carry 3D camera to film telescope in action.

Google said Monday that it has asked European Union regulators to approve its pending 3.1-billion-dollar purchase of Internet ad targeting colossus DoubleClick.

The US space agency is set to launch on Thursday the space probe Dawn on an eight-year mission to unlock the secrets of the solar system and how it was born.

(AP) -- Microsoft Corp. said it will release three versions of its Office 2008 for Mac suite in January, with the most expensive of the bunch aimed at creative professionals overwhelmed by the task of organizing their digital media files.

(AP) -- Setting the stage for a possible bidding battle, Microsoft Corp. is mulling an investment in Facebook Inc. that would value the rapidly growing online hangout at $10 billion or more, according to a report published Monday.

Acupuncture is more effective at treating back pain than conventional therapies, research suggests.

Israeli archaeologists find quarry they think could only have been used to mine limestone for Second Temple.

English cannon found off Virginia coast may date from 1580s, about time Roanoke colony vanished.

Tang, no matter what you’ve heard, was not an invention of the space program. Neither were Teflon or Velcro.

Some animal movement limits set after the foot-and-mouth outbreak are eased, despite a seventh case being confirmed.

Nitrogen, phosphorus from fertilizer indirectly boosts numbers of parasites that cause amphibian birth defects.

(AP) -- IPhone owners who have unlocked their handsets so they could use carriers other than AT&T Inc. may end up with a phone that doesn't work after the company's next software update, Apple Inc. warned Monday.

An Australian researcher has completed some pioneering work which is the cellular equivalent of the human genome project.

Lymph nodes can be crucial for spreading low doses of infective prion agents -the pathogens responsible for conditions such as scrapie and Creutzfeldt-Jakob disease - into the nervous system, according to new research published in the online open access journal BMC Veterinary Research.

National survey findings released today indicate that Americans` awareness of nanotechnology remains low. Popular awareness is nearly as small as the tiny nanoscale materials and nano-enabled devices and products now flowing onto the market from this rapidly progressing technology that experts believe will usher in a new industrial revolution.

It is a simple matter to print an E-book or other document directly from your computer, whether that document is on your hard drive, at a web site or in an email. But, imagine being able to 'print' solid objects, a piece of sports equipment, say, or a kitchen utensil, or even a prototype car design for wind tunnel tests. US researchers suggest such 3-D printer technology will soon enter the...