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Posts by David Callejas

Australian drought, via GreenPacks
Science Wire | Jan 13, 2014

Seeking safe havens for biodiversity, as climate changes

Australian researchers say their new technique will help them find sites where populations of organisms can potentially survive, as rainfall continues to decline.

Today's Image | Oct 29, 2013

Heat from the lava flows at Klyuchevskaya

A recently released NASA image of the ongoing 2013 eruption at Klyuchevskaya, one of Russia’s tallest and most active volcanoes.

Today's Image | Oct 07, 2013

Draconid meteors

A couple of Draconid meteors caught on camera by Richard Turner in early October, 2011.

Today's Image | Sep 17, 2013

Venus and Saturn above the fog

Venus and Saturn above the fog on Sunday September 15, 2013 about 65 minutes after sunset photographed by Bob King aka Astro Bob.

Today's Image | Sep 16, 2013

Infrared star trails over Texas

Star trails in the Texas night sky – in infrared, popularly known as “heat radiation” – from EarthSky Facebook friend Manish Mamtani Photography.

Photos | Sep 12, 2013

Frog photobombs NASA moon launch

NASA has confirmed this is a real photo. This frog made its giant leap for frogkind during the launch of NASA’s LADEE moon craft on September 6.

Herpsilochmus stotzi
Today's Image | Aug 30, 2013

This bird was unknown to science

Scientists say the discovery of this Herpsilochmus stotzi, and 14 other new Amazonian bird species, highlight how little we really know about species diversity in the Amazon.

Today's Image | Aug 29, 2013

Spider web engineering and art

Big spider web outside a house in Hillview, Kentucky, United States. Look below for fun facts about spider webs.

Today's Image | Aug 28, 2013

Alaska’s Sawyer Glacier

A close-up look at Alaska’s Sawyer Glacier as seen by EarthSky Facebook friend Risa Bender.

Today's Image | Aug 27, 2013

Milky Way in moonless sky

Serene shot of the Milky Way in the moonless sky from Itatiaia National Park in Brazil thanks to EarthSky Facebook friend Pedro Canovas Perez.