Cybercriminals are rapidly using Twitter-- the popular Web-messaging service -- to direct users to websites that sell porn and fake drugs and trigger promotions for fake anti-virus subscriptions.

Scientists have discovered the world's first 'self-watering' plant in Israel's Negev desert - one of the driest regions on earth.

Eclipse of the Sun for July 22, 2009 (animated) will be visible across south-east Asia and the western Pacific. This will be a spectacular total eclipse, lasting over 6½ minutes at maximum and visible to millions.

The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion is supported by an unlikely source: the ex

Astronomers believe they have seen hints of the first planet to be spotted outside of our galaxy. Situated in the Andromeda galaxy, the planet appears to be about six times the mass of Jupiter.

The government of China announced a new policy change on emissions at Friday's State Council meeting on climate change that will include putting in place carbon dioxide emissions targets for its economic and social development programs.

In a coastal bay fronting an ancient sea where Bakersfield now stands, the waters once swarmed with giant 40-foot sharks, ancestral seals larger than any known today, and the ancestors of countless other marine animals long extinct.

A heavy bombardment by asteroids the size of Ireland was not enough to wipe out life on Earth 3.9 billion years ago, researchers said

Scientists in New York unveiled the skeleton of what they said could be the common ancestor to humans, apes and other primates. The tiny creature, officially known as Darwinius masillae, but dubbed Ida, lived 47 million years ago and is unusually well

BBC News: Scientists say they have located the brain areas that may determine how sociable a person is.