Although the Chandrayaan-1 mission was terminated early due to a communications breakdown, data collected over the past year hold "several new and completely unexpected discoveries," an expert says.

As monsoons and cyclones worsen due to climate change in the South Asian country, many coastal peoples are migrating to drier cities.

Although there's a thread of truth behind an email saying Mars will appear as large as the full moon on August 27, if the red planet did get that close, Earth would be doomed, astronomers say.

A newfound "hot Jupiter" is so close to its star that it's either on death's door or it represents a new way for stars and planets to interact, say scientists who call the odd world "one to watch."

As the Dead Sea—really a giant freshwater lake—dramatically shrinks, Palestinian, Israeli, and Jordanian environmentalists have begun to devise ways to slow the decline.

As the world celebrates Galileo's first telescope demonstration on August 25, 1609, take a trip through time with pictures of the telescope's evolution over the past 400 years.

When Galileo Galilei unveiled what would become known as a revolutionary stargazing tool in Venice on August 25, 1609, he was an obscure professor looking for a career boost, historians say.

Lightning that shoots upward from clouds can carry as much electric charge as the strongest bolts that strike the ground, a new study says.

A new study finds that people naturally walk in circles when their sense of direction is lost. Researchers had people walk in the desert and through a forest. Video.

Putting the "extreme" in extreme makeover, some Russian surgeons are courting controversy by breaking legs, among other procedures, to make the limbs longer for cosmetic purposes. Video.

A storm brews on a Saturn moon, gullies drape a Martian crater, tiny bursts of extraordinary energy heat the sun's atmosphere, and more in the week's best space pictures.

The repulsive force thought to explain why the universe's expansion is speeding up may not be necessary, according to a new model that says the acceleration is just an illusion.

A WWF spokesperson says that, unless development around giant panda habitat in China is controlled, the panda could become extinct within two or three generations. Video.

Giant, propeller-driven fish farms may someday mimic the movements of wild schools or even allow fish to forage "free range" before recapturing them. Already, remote-control models are paving the way.

Six gorilla orphans of a critically endangered species have been released on an isolated African island. Conservationists hope to move the gorillas into the wider wilderness within three years. Video