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Humid cities are worse urban heat islands than dry cities
In a study of 65 cities across N. America - some humid and some dry - poor "convection efficiency" in humid cities made the urban heat island effect more intense.
August 6, 2014
Success! A final flawless burn. Rosetta now in tandem with its comet
Look here for a fascinating history in pictures and words of the Rosetta spacecraft's historic approach to Comet 67P/Churyumov–Gerasimenko.
August 6, 2014
Curiosity rover tracks on Mars, August 4, 2014
Today is the second anniversary of the Mars rover Curiosity's landing inside the Martian Gale Crater on August 5, 2012, PDT (Aug. 6, 2012, EDT).
August 6, 2014
Horses communicate with expressive eyes and mobile ears
Do you think horses have expressive eyes? They do, say researchers, and they also have expressive ears.
August 5, 2014
Worst of the Gulf oil spill toxins still remain, research finds
Bacteria in the Gulf of Mexico consumed many of the oil toxins released during the 2010 Deepwater Horizon spill, but not the most toxic, says new research.
August 5, 2014
Saturn kisses the dark edge of the moon
Astrophotographer Colin Legg in Western Australia caught the August 4, 2014 occultation of Saturn by the moon. He called it "a brilliant thing to watch."
August 5, 2014
For two weeks last August, all hell broke loose on Jupiter’s moon Io
The energy emitted by these volcanic eruptions implies lava fountains gushing at a huge volume per second, forming lava flows that quickly spread over Io's surface.
August 4, 2014
Two views from space: California reservoirs drying up
Look at the difference in these two reservoirs north of Fresno, California, in contrasting satellite images from 2011 and 2014.
August 4, 2014
Zoom close to Mercury’s surface via MESSENGER spacecraft
You've got to see the movie made by the MESSENGER spacecraft in June 2014, when it began a series of close passes to the sun's innermost planet, Mercury.
August 4, 2014
Lifeform of the week: Florida manatee
Manatees and elephants have a common ancestor, and both have uncommonly shaped spherical hearts. Check out this sweet video from Three Sisters Springs, Crystal River, Florida.
August 4, 2014
