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Fifth gas giant planet in early solar system?
Our solar system might've once had five gas giant planets. The fifth might have gotten the boot after a close encounter with Jupiter, 3.9 billion years ago.
September 21, 2011
Human influence takes the wild out of some wildfires
A study shows that human influence has historically increased wildfire activity - and decreased it. A scientist says, "Fire is a defining feature of humans."
September 21, 2011
Typhoon Roke makes powerful landfall in Japan
Typhoon Roke, a strong typhoon with winds reaching 135 miles per hour, made landfall on September 21, 2011, near Hamamatsu, Shizuoka Prefecture, Japan.
September 21, 2011
Running Chicken Nebula image in ruby red
An image from the European Southern Observatory shows the Running Chicken Nebula, a star-forming region in space, 6,500 light-years away.
September 21, 2011
Bats only roost with their closest buddies
Researchers have discovered bats prefer to rest with their closest pals rather than with bats they don't know very well.
September 20, 2011
Dinosaur-killing asteroid origin remains a mystery
NASA's WISE mission rules out the Baptistina family of asteroids in the search for which ones were the dinosaur-killing asteroid.
September 20, 2011
Earth eclipsed the sun yesterday
See an eclipse yesterday (September 19, 2011) when the Earth eclipsed the sun. SDO has eclipse seasons twice a year.
September 20, 2011
Biomimicry? EarthSky and FastCompany present new series
In September 2011, EarthSky and Fast Company launched a new series of audio and digital content about biomimicry, sponsored by Dow.
September 19, 2011
Video gamers score win for science, advance AIDS drugs
Video gamers scored a win for science on a problem that's stumped researchers for over a decade - the structure of a protein linked to AIDS in monkeys.
September 19, 2011
The healthiest diet, according to your genes
The genes have spoken: your dinner plate should be divided into three, and you should eat six times a day. Tips here for the healthiest diet.
September 19, 2011
