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Posts by
Editors of EarthSky
Supervolcanic ash can turn to lava miles from eruption
Viscous heating can reheat volcanic ash enough to convert it to lava.
August 27, 2013
Changes in river chemistry affect water supplies
In the first survey of its kind, researchers looked at long-term records of alkalinity trends in 97 streams and rivers from Florida to New Hampshire.
August 26, 2013
Penn study finds earlier peak for Spain’s glaciers
The finding sheds new light on how regional climate has varied over time, providing information that could lead to more-accurate global climate models.
August 26, 2013
Meat-eating predators eat fruit, study says
A Wildlife Conservation Society led study examines overlooked role fruit-eating crocodilians may play in forest regeneration.
August 22, 2013
Zombie vortices may help lead to birth of new stars
Vortices arise from dead zones in disks around newly forming stars and help the stars complete their birth process.
August 22, 2013
Earliest known iron artifacts come from outer space
The objects, which trace their origins to outer space, also predate the emergence of iron smelting by two millennia.
August 21, 2013
Tiny fish widens false eye on fins to distract predators
A science team in Australia has the first clear evidence that damsel fish can change the size of both a false eye and their real eye to maximize chances of survival.
August 20, 2013
Look for bright nova in constellation Delphinus
It's the brightest nova since 2007, and may remain visible to the unaided eye for weeks to come.
August 20, 2013
Female frogs prefer males who can multitask
The study supports the multitasking hypothesis, which suggests that females prefer males who can do two or more hard-to-do things at the same time because these are especially good quality males.
August 19, 2013
In Russia, giant owls need giant trees
Tigers and bears live in the last great primary forests of Russia’s Far East. So do giant owls.
August 16, 2013
