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Dark energy alternatives to Einstein are running out of room
Research finds that a popular alternative to Albert Einstein’s theory for the acceleration of the expansion of the universe does not fit newly obtained data.
January 9, 2013
Herschel intercepts asteroid Apophis
SA’s Herschel space observatory made new observations of asteroid Apophis as it approached Earth this weekend. The data shows the asteroid to be bigger than first estimated, and less reflective.
January 9, 2013
Amazon’s diversity loss shows up in the soil
Researchers worry that a loss of genetic variation in microbial communities in the Amazon’s converted agricultural land could negatively affect the entire ecosystem.
January 9, 2013
First bone of the Milky Way identified
Astronomers have identified a new structure in the Milky Way: a long tendril of dust and gas that they are calling a "bone."
January 8, 2013
Scientists mimic fireflies to make brighter LEDs
The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one and a half times as efficient as the original.
January 8, 2013
Traffic jam of moons in habitable zone
Volunteers from the Planethunters.org website have discovered 15 new planet candidates orbiting in the habitable zones of other stars.
January 7, 2013
Exocomets may be as common as exoplanets
The discovery of six likely comets around distant stars suggests that comets -- dubbed "exocomets" -- are just as common in other stellar systems with planets.
January 7, 2013
Dinosaur shook tail feathers for mating show
Examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates.
January 4, 2013
At least 100 billion planets populate our galaxy
Look up at the night sky and you'll see stars, sure. But you're also seeing planets—billions and billions of them. At least.
January 3, 2013
Shifts in food supply sparked our evolution
An environment that shifted between open grassland and closed woodland in East Africa roughly 2 million years ago may be responsible for driving human evolution.
January 2, 2013
