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Image via SKYGLOW

Gorgeous Dry Tortugas night skies

The National Park Service normally doesn’t allow night photography at the Dry Tortugas, but made an exception for this project.

Image via National Park Service

How much warning for supervolcanoes?

Yellowstone supervolcano could deposit ash across the U.S. Northwest, clogging rivers and streams and affecting agriculture. How much advance warning might we have?

Image via Vanderbilt University

Being called a bird brain is no insult

A new study has found that bird brains have significantly more neurons than do mammal – even primate – brains of the same mass.

Rare white whale - believed to be the whale known as Migaloo - making its way northward along the Australian coast on July 26, 2016. Video still via @7NewsQueensland on Twitter.

Watchers spy rare white whale Migaloo

Not all experts agree that the white whale spotted off Australia’s east coast on Tuesday was the beloved Migaloo. But most are adamant it was.

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Sky and Earth time-lapse, New Zealand

A new time-lapse video from New Zealand, showing both its dramatic landscape and the sky above. It’s called “The Edge of Perception.”

Image via NASA

A year of Earth from a million miles

Watch a full year of Earth’s sunlit side, seen from a million miles away by the DSCOVR spacecraft.

Path of 2017 total solar eclipse, via Fred Espenak.

Total eclipse of sun: August 21, 2017

First total solar eclipse visible from the U.S. since 1991 (seen only from part of Hawaii), and first visible from contiguous U.S. since 1979. Start planning now!

Animals that help pollinate plants and spread their seeds are critical to keeping forests healthy. Photo via Eike Lena Neuschulz/ AlphaGalileo.

Healthy forests need birds and bees

A new study shows that we humans can help maintain healthy forests by focusing conservation efforts on the protection of animal pollinators and seed dispersers.

After sunset. Photo: Loire Vignolle-Moritz

What exactly is twilight?

Twilight is the time of day between daylight and darkness. Astronomers, the experts on nighttime, recognize three kinds of twilight.

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1st half of 2016 warmest on record

The 6-month period from January to June was our planet’s warmest half-year in the modern temperature record, which dates to 1880.

MIT researchers found that neutrinos changed between several distinct “flavors” as they traveled at close to the speed of light from a facility near Chicago to a detector in Minnesota, 456 miles (735 km) away. Image via Christine Daniloff/ MIT/ Phys.org

Shifting identities for traveling neutrinos

MIT researchers show that neutrinos can change between several distinct “flavors” while traveling from a facility near Chicago to a detector in Minnesota.

Kevin Krajick/Lamont-Doherty Earth Observatory

Giant quake may lurk under Bangladesh

A huge earthquake could be building beneath Bangladesh, Earth’s most densely populated nation. There’s potential for some 140 million people to be affected.

"MuddyBot," a robot with a tail. It uses the locomotion principles of the mudskipper to move through a trackway filled with granular materials. Image via Rob Felt / NSF.

Researchers recreate 1st steps on dry land

In a groundbreaking study, researchers explored a key evolutionary transition – from animals living in water to living on land – using a robot called MuddyBot.

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Noctilucent clouds over Europe last week

Time-lapse video of the amazing noctilucent cloud display over northern Europe on July 12-14, 2016. Adrien Mauduit called it a “storm” of these clouds.

Realtime snapshot of wind currents over USA. July 15, 2016 at 9:35 EDT

Watch wind flowing across US in real time

The wind map updates every hour and lets you see the movement, flow, and speeds of wind across the United States. Go see it! It’s great!

Fluorescent image of the coral Pocillopora damicornis. The field of view is approximately 4.1 x 3.4 mm.  Imag via Andrew D. Mullen/UCSD

New microscopic view of ocean floor life

Underwater microscope provides new views of ocean-floor sea creatures in their natural setting.

Photo credit: Mike Quinn

How can I see a green flash?

It’s said that once you’ve seen a green flash, you’ll never go wrong in matters of the heart. Here’s all you need to know … plus great pics.

Image via NASA/NOAA

Moon photobombs Earth

In early July, a satellite camera caught the moon crossing the face of Earth.

Noctilucent clouds - July 14, 2016 - by our friend Jüri Voit Photography in Estonia.

Noctilucent clouds over northern Europe

Photos from far northern Europe last night and this morning (July 13 and 14, 2016) of a wonderful display of noctilucent, or night-shining, clouds.

Image via NASA

Keeping Earth safe from asteroids

How NASA is working to keep Earth safe from asteroids and other hazards that come from deep space.