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Posts by EarthSky

square-california-drought-2012-2014-map
Science Wire | Jul 30, 2015

California’s rain debt equals full year’s precipitation

California’s accumulated “rain debt” is now equal to an average full year of precipitation, according to a new NASA study.

Greg Hogan created this image.  Isn't it great?  Thanks, Greg!
Science Wire | Jul 30, 2015

Exciting news! Astronomical League and EarthSky join forces

Popular astronomy website and nation’s largest federation of astronomy clubs have joined forces to bring the night sky’s wonder, beauty, and mystery to the public.

Screen Shot 2015-07-29 at 6.03.23 PM
Science Wire | Jul 30, 2015

Video: The science of dogs

The newest video from AsapSCIENCE is for dog lovers. That is, for everyone!

Screen Shot 2015-07-27 at 5.52.04 PM
Science Wire | Jul 28, 2015

Video: Summer Blue Moon

On July 31, the moon becomes full for the second time this month. Modern folklore says the second full moon is a Blue Moon. New video from NASA.

mosquito_bite-square
Science Wire | Jul 22, 2015

How mosquitoes find you to bite you

Mosquitoes use a triple threat of visual, olfactory, and thermal cues to home in on their human targets, a new Caltech study suggests.

For State of the Climate in 2014 maps, images and highlights, visit Climate.gov. Image credit: NOAA
Science Wire | Jul 20, 2015

State of the climate 2014: Record warmth

New report – released by American Meteorological Society – based on contributions from 413 scientists from 58 countries around the world.

An illustration showing docodonts, now extinct mammals that saw an explosion of skeletal and dental changes (including the special molar teeth that give them their name), in the Middle Jurassic. Image: April Neander
Science Wire | Jul 17, 2015

Jurassic saw fastest mammal evolution

A new study suggests that mammal ‘experimentation’ with different body-plans and tooth types peaked in the mid-Jurassic period, 200-145 million years ago

The May 2013 “Springs Fire” burned 25,000 acres northwest of Los Angeles. A new study finds that natural atmospheric events known as stratospheric intrusions, which bring extremely dry air from the upper atmosphere down to the surface, add to the fire danger effects of the Santa Ana winds, and exacerbate some air pollution episodes. Photo credit: Night Owl City/Flickr
Science Wire | Jul 16, 2015

Stratosphere pushes Santa Ana wind wildfires

A study says that the Santa Ana winds have an accomplice when it comes to California wildfires – extremely dry air pulled down from the stratosphere.

View larger. | Ice mountains on Pluto. Close-up image of a region near Pluto’s equator - at the bottom of the heart region, which is now being called Tombaugh Regio. These mountains - which are "youthful" scientists say - rise as high as 11,000 feet (3,500 meters) above the surface of Pluto.
Science Wire | Jul 15, 2015

New Horizons spacecraft sweeps past Pluto

New Horizons is alive and well and beyond the Pluto system. On Wednesday, scientists began releasing close-up images of geology on this distant ice world.

You'll find Scutum above the constellation Sagittarius, in the south on N. Hemisphere summer evenings.
Tonight | Jul 14, 2015

Constellation Scutum named for Polish king

Scutum has just four noticeable stars, and even those require a dark sky. Look for it now before the moon gets too bright, and be sure to scan with your binoculars.