Gas giants that orbit close to their stars likely migrated inward, shaking up debris that could coalesce into Earthlike worlds, new computer models predict.

New software that replicates the way a fly sees could help the next generation of cameras pick out details obscured by movement or washed out by variations in light levels.

Our radio shows have already reached dozens of planets in nearby star systems. If there are intelligent beings on these worlds, what are they listening to, and why haven't they replied in kind?

Already the most wired country in the world, the Asian country is on a fast track to create intelligent service robots that will integrate into society.

New drugs, supercrops, and secrets of evolution may emerge from the fast-growing branches of the "Tree of Life," scientists say.

There are more species of venomous fish—some 1,200—than all other venomous vertebrates combined, new research suggests.

Genetically altered immune cells shrank tumors in skin cancer patients, researchers report, in a technique that may soon be applicable to many other types of cancer.

Rat sperm grown in mouse testicles can produce healthy babies, scientists show. The new research has implications for genetic engineering and species conservation.

"My! Very educated morons just screwed up numerous planetariums." That mnemonic device is just one way teachers and others are adapting to Pluto's loss of planet status.

The discovery offers proof that it would be possible to sequester carbon dioxide deep below the seabed, researchers say.

Deep-sea drilling rigs and coral reefs host hundreds of unknown bacteria that may provide powerful new drugs, scientists say.

This week: Pluto not a planet, "Atlantis" eruption update, jellyfish invasion, ant speed record, interview with Kilimanjaro's quickest conqueror, more.

A celebrity orca barked just like a sea lion, scientists say, proving that killer whales have the rare ability to learn and produce new sounds. With audio

Pluto is no longer a planet, according to a new official definition. Instead the icy sphere will be considered one of more than 40 "dwarf planets."

Using a technique borrowed from in vitro fertilization, researchers have for the first time shown that it is possible to create new embryonic stem cell colonies without destroying human embryos. Corrected article