Strange crop circles have again materialized overnight. But this time they're on Google's home page, prompting speculation that rivals the real things for mystery.
A "green" technology company has developed jewel-toned solar panels that capture different parts of the sun's light spectrum and don't need direct sunlight to work, the company says. Video.
In was the 1950s cars had fins, skirts had poodles, and Jupiter had an "extra moon," according to a new study that says the giant planet reeled in a comet only to cast it aside.
As officials meet in Denmark to prepare for the successor to the Kyoto Protocol, scientists in the Danish territory of Greenland warn of accelerated glacial loss, which could boost sea levels. Video.
A peek inside a dense nebula, a brightly colored "butterfly," and mirror-like galaxy reflections predicted by Einstein are among some of the first cosmic beauties snapped by the newly refurbished Hubble Space Telescope.
An astronaut takes a walk outside, a white dwarf bulks up, a planet finder shows that habitable moons may be out there, and more in the week's best space pictures.
Using "leftovers" from liposuction patients, scientists have turned human fat into stem cells, a new study says—an efficient and apparently uncontroversial new method.
The technique, which could be used to boost efficiency in optical telescopes, may also help scientists create new "crystalline and glassy" states of matter, a study says.
In case of emergency, don't break glass, but do launch the space mirrors or flying "volcanoes"—among five risky, globe-spanning Earth-cooling ideas reluctantly recommended for the first time by a major scientific body.
Almost 40 years after astronauts Pete Conrad and Alan Bean set foot on the moon, a lunar orbiter has snapped a high-res picture of their landing site, complete with footprints and equipment.
Global warming is putting the pika, a hamster-like mammal, in peril. High in the Colorado mountains, a National Geographic researcher is trying to find out why its numbers are falling. Video.
See undersea worlds that stand to be lost—and that six Southeast Asian governments are trying to save with their new Coral Triangle initiative to protect coastal reefs. Video.
A digital tongue that can measure the human taste of sweetness has been created, a new study says. The technology may someday be used to detect diseases in people.
In fall 1969, computers sending data between two California universities set the stage for the Internet, which became a household word in the 1990s.Video.
