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Lead study author Josh Stewart follows a giant oceanic manta ray at Bahia de Banderas off mainland Pacific Mexico. Image via Scripps Oceanography/ Octavio Aburto/ PBS

Surprise! Some mantas are homebodies

Oceanic manta rays have long been thought to migrate great distances. But Indo-Pacific mantas, at least, are more local commuters than long-distance travelers.


Coral reefs hit hard by bleaching

“It’s time to shift this conversation to what can be done to conserve these amazing organisms in the face of this unprecedented global bleaching event.”

Nakhla meteorite specimen at the American Museum of Natural History, NY. Nakhla fell in Egypt in 1911.

Today in science: Egypt’s first meteorite

It was the first meteorite in the Egyptian record. Years after the event, scientists concluded through various tests that it came all the way from Mars.


A new type of ichthyosaur

Don’t call it a swimming dinosaur, scientists say. The newly discovered ichthyosaur looks much like a dolphin or shark and swam Earth’s seas for millions of years.


Watch 5 moonsets over Zimbabwe

Moonset at 5 different points on the horizon, at 5 different moon phases, from a young moon to the June 20 full moon at Zimbabwe’s winter solstice.

Image via SKYGLOW

Wow! Watch sandstorm reshape dunes

Journey to White Sands, New Mexico and watch sandstorms reshape and move the dunes, under both blue and starry skies, in this gorgeous time-lapse.


Why hottest weather isn’t on longest day

Solstice 2016 – longest day for us on northern Earth – was Monday. But the hottest weather is still to come for us in the Northern Hemisphere. Why?

Goran Strand

Midnight solstice sun and moon

Two photos from northern Sweden on solstice night, a night of a midnight sun in that part of the world … and also, in 2016, a midnight moon.

The southern-central edge of the Tibetan Plateau near the border with western Nepal and the Indian state of Sikkim is pictured in this Sentinel-2A image from 1 February 2016. Image via ESA.

Edge of Tibetan Plateau from space

Great land plates shifted and came together – 55 million years ago – to create the Tibetan Plateau, the highest and largest plateau in the world today.

A human-dependent mosquito, the range of the disease-carrying Aedes aegypti is projected to grow in the U.S. and affect more people globally. Image via sanofi-pasteur/Flickr

Warming temps to raise Zika virus risk

Global warming will cause more people to be exposed to the mosquito that carries Zika virus, says a new study. Why this mosquito is such a good virus-spreader.

Summer solstice sunrise.

Summer solstice at Stonehenge

Why do people gather at Stonehenge in England on the solstice? Info and photos here.

Photo via EarthSky Facebook friend Kenneth G. Smith

How to see anticrepuscular rays

Next time you see crepuscular rays or sunrays extending from the horizon … turn around. You might catch a glimpse of elusive anticrepuscular rays.


Rare footage of Bryde’s whales feeding

Captured via drone off the coast of Auckland. There are thought to be fewer than 200 of these creatures left in New Zealand waters.

Red Phoenix, aka Vermilion Bird. Image via fantasticanimals.wordpress.com.

A Chinese perspective on summer

In Chinese thought, summer has been associated with the color red, the sound of laughing, the heart organ, the fire element and a red phoenix bird.

From the December solstice to the June solstice, the sunset makes its way north, as illustrated in this photo composite by Abhijit Juvekar.  Thanks, Abhijit!

All you need to know: June solstice 2016

It’s that beautiful time of year again in the Northern Hemisphere, when the June solstice – your signal to celebrate summer – is nearly upon us.

Virga over Golden Open Space, New Mexico on June 1, 2016. . 6:09 pm. Photo via Jay Chapman.

What is virga?

We’ve all seen virga, but maybe not known what it’s called. Virga is rain that evaporates before it hits the ground. Enjoy these photos!

Image via NASA Earth Observatory image by Joshua Stevens, using Landsat data from the U.S. Geological Survey.

Phytoplankton bloom in the North Sea

Ocean phytoplankton are too small to see individually, but a large phytoplankton bloom can be seen from space as a colored patch on the sea surface.

Image via

Fastest CO2 increase on record

The recent El Niño has driven a rise in atmospheric CO2. Scientists expect it to surpass 400 parts per million for the year and stay there at least a human lifetime.

Image Credit: hspauldi

Top tips for poison ivy, oak and sumac

Summer is a great time to frolic in the woods. Just don’t touch anything.


See Death Valley’s 2016 superbloom

A wonderful video from SkyGlowProject.com that’ll let you experience the 2016 superbloom of wildflowers in Death Valley National Park.