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Mars MAVEN spacecraft’s first observations
MAVEN is the first spacecraft dedicated to exploring the tenuous upper atmosphere of Mars. It entered orbit around Mars on September 21, 2014.
September 24, 2014
Water vapor in atmosphere of exoplanet four times Earth’s size
The exoplanet HAT P-11b - about Neptune's size - has an atmosphere that's cloudless at high altitudes. That's how astronomers could identify water vapor there.
September 24, 2014
Ice crystals don’t melt inside these fish
Antifreeze blood helps fish called notothenioids survive in icy Antarctic waters. The down side is that the ice crystals in their blood don't melt as temperatures warm.
September 24, 2014
Astronomers observe mysterious winds from a T Tauri star
T Tauri stars - infant solar systems - were thought to have powerful stellar winds. Astronomers have now observed T Tauri winds and might know what's causing them.
September 24, 2014
Fires in the Amazon
Astronaut photo of rainforest being cleared for agriculture in Brazil.
September 24, 2014
History of storm surge in Florida strongly underestimated
Northwestern Florida was thought to get hit by a hurricane with a five-meter (16-foot) storm surge every 400 years. In fact, the frequency may be every 40 years.
September 23, 2014
Sneak preview: Colorful lunar eclipse on October 7-8
Before sunrise on October 8, the bright full moon over North America will turn a lovely shade of red. It's a total lunar eclipse that's visible from all parts of the U.S.
September 23, 2014
Newfound dino had huge nose, but why?
This dinosaur probably didn't have a keen sense of smell. Its big nose might have been used to attract mates, smash plants or recognize others of its species.
September 23, 2014
2014 Arctic sea ice minimum sixth-lowest on record
Sea ice in the Arctic continued its below-average trend this year as ice declined to its annual minimum. Meanwhile, in Antarctica, sea ice was at a record high.
September 23, 2014
